Green and Sustainable systems in all environment
ALPHA Ultrasound system control Blue Green algae in golf clubs, ponds and even clean up already toxic lakes. Great result in a few weeks time. It can critically vibrate internal parts of Green algae and diatoms causing them to internally tear apart preventing proper fluid flow. One time investment!
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ULTRASOUND ALGAE CONTROL SYSTEM FROM ALGAEFREE MODEL ALPHA IS REVOLUTION
FOR PONDS AND LAKES
LED navigation light, solar pontoon frame with 9 solar panels in a grid, Algae Control with ALGAEFREE mod. ALPHA Sonic Head unit.
It also includes:
1) a heavy chain through and under the middle of the pontoons that is used to attach to an anchor (note anchor and mooring line is not included), 2) reflectors on the assembly for better night time visibility, 3) connecting cables from the solar panels plus a junction box where the individual panel inputs are combined to a single cable outlet to the charge controller, 4) an attachment chain to hang the ALPHA to the frame with D-shackles, carabiner, zip ties, etc.
5) easy lift struts to add spring lift for the panels making it easy to open for on the water inspection, 6) handles on the corners to make it easy for four people to manually lift the entire assembly into the water. 7) switches to turn off the batteries and solar charge controller.
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These systems solve Blue Green algae and Anaerobic bacteria issues.
Applications Include:
- Lakes and Reservoirs
- Waste Water Treatment Lagoons
- Irrigation Basins
- Clarifiers and Sedimentation Basins
- Cooling Tower Basins
- Distribution Water Tanks
- Ponds, Pools and Mining
- Fresh and Marine Aquaculture
- Prawn, lobster and fish farming
Environmentally safe and efficient control of algae, bacteria and biofilm growth.
- Disables algae using critical structural resonance without harmful cavitation
- Biofilm growth is controlled by mimicking continuous water turbulence to prevent colonization
- Quickly reduces pH and percentage of total suspended solids
- Reduces algae in the intake stream and increases filter run times.
- Lowers biofilm growth in process equipment and reduces chlorine usage, THM’s and HAA’s
- Improves water taste and reduces water born odors.
Example image of Algae and Biofilm Control in Lakes, Ponds, Reservoirs etc.:
We deliver different systems for different uses. This is a single OPTIMA 4-ways transducer for water tanks and reservoirs. Runs on 240v or AC 24v:
This is the pontoon with Solar panels and Ultrasound OPTIMA 4-WAYS sonic head fully equipped and ready to go in a lake or reservoir:
The ALPHA system is quality product made in USA.
If you have any queries regarding this system, don’t hesitate to contact us at your convenience.
ALGAEFREE model ALPHA IS USEFUL FOR INDUSTRY, AIR-CONDITION, FISH FARMING, MINING PIT, PONDS, WASTEWATER AND MORE, TO CONTROL AND CLEAN THE WATER FROM BACTERIA AND AVOID BARNACLE, MUSSELS AND ALGAE PROBLEMS.
UPGRADED 2018 MODELS
ALGAEFREE model ALPHA
Prevention of Bio fouling, bacteria and Blue-Green algae growth
ALPHA 4-directions FOR PONTOON SOLAR SYSTEM,
CLEAN THIS LAKE FROM BLUE GREEN ALGAE AND ANAEROBIC BACTERIA IN FEW WEEKS.
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| Maximum coverage | Algae and distoms Cyanobacteria (with vesicles) |
Radius of 150m, 7 ha or 17.5 ac Radius of 400m, 50 ha or 124 ac |
| Power module | AC 24, 120, 240 V – 50 or 60 Hz | 50 m cable (max. 150m) |
| DC 24 V – solar or batteries | ||
| Electrical consumption | 20 W | Peak at 50 W |
| Frequencies | 2024 | |
| Bandwiths | 24 – 58 kHz and 195 – 205 kHz | |
| Warranty | 3 years |
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What comes with the solar PONTOON system:
Factory assembly, 2 batteries, battery box enclosure, bird deflectors (4), solar charge controller, LED navigation light, solar pontoon frame with 9 solar panels in a grid ALPHA 4-directions Sonic Head unit.
It also includes:
1) a heavy chain through and under the middle of the pontoons that is used to attach to an anchor (note anchor and mooring line is not included),
2) reflectors on the assembly for better night time visibility,
3) connecting cables from the solar panels plus a junction box where the individual panel inputs are combined to a single cable outlet to the charge controller,
4) an attachment chain to hang the ALPHA 4-directions to the frame with D-shackles, carabiner, zip ties, etc.
5) easy lift struts to add spring lift for the panels making it easy to open for on the water inspection,
6) handles on the corners to make it easy for four people to manually lift the entire assembly into
the water. 7) switches to turn off the batteries and solar charge controller.
HOW OUR ALPHA ULTRASOUND SYSTEM WORKS
ALGAEFREE Ultrasonic System sound, model ALPHA emit sound waves to create an environment of critical structural resonance. The resonance causes a very unique environment in the immediate vicinity as it can critically vibrate internal parts of green algae and diatoms causing them to internally tear apart preventing proper fluid flow. In blue-green algae, this effect causes gas vesicle tubes to break causing loss of buoyancy and they sink out of light. The resonance also causes bacteria to avoid colonization because it is similar to water turbulence, a condition they avoid in nature. This helps to keep the walls clean. The prevention of the initial bacterial growth eliminates the attachment of algae, barnacles, and other crustaceans.
BIOFILM IS THE CAUSE OF THE PROBLEM WITH ALL UNWANTED FOULING
WHAT IS BIOFILM?
Biofilm is a coating of bacteria or microbes, which develop, due to an interaction between the surface and micro-organisms.
Biofilm is an advanced community of micro-organisms (such as bacteria, fungi and viruses) which are wrapped in a self-generated, protective slime. Micro-organisms prefer a life of biofilm. We find biofilms everywhere in nature, where there is moisture and nourishment, indeed on the mucous membranes and other surfaces in the body.
The formation of biofilm occurs in water pipes, water tanks and the like. Usually they consist of relatively harmless micro-organisms, but can also allow contaminants to gain a foothold, grow and develop in these biofilm. Biofilm can thus become a reservoir of infection, both directly and indirectly, i.e. if the water is used in offices for the production of food.
We must develop new strategies to both, prevent unwanted biofilms and to remove the finished-formed bio films. In addition, more knowledge about the ‘anti bio film effect’ of traditional methods, ‘bio-prospecting’ will become be important.
ALPHA ULTRASOUND SYSTEM FOR LAKES
Revolution for the land based industry because his unique ultrasound system avoid bio-film, barnacles and mussels in water reservoir, pipes and cooling system. ALGAEFREE has been in Ultrasonic Technology industry for over 11 years and was the first to develop, what is now, the industry leader in Ultrasound against Marine and algae growth to the maritime and land-based industry. With the development through the years, we are still leading the algae-free industry, when it comes to this technology. The advanced rate algorithms, for the commercial and industrial sector, have had great results. The ‘ALPHA’ series is the most advanced and powerful solution developed. ALPHA Ultrasound is also the best solution for Bio-fouling problems on the market.
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UNWANTED MUSSEL FOULING
Mussels live mainly in algae, that is in sea water and this where the problems begin with the mussels clog systems. This in turn leads to the higher temperatures in the cooling of water. Businesses that use sea water for cooling, have two solutions, chemicals and cleaning. It turns out that the mussels have become so clever that when the chemicals get
into the water system they close them out and survive.
The mussels main consumption are microscopic algae, phytoplankton, but they will also be able to make use of other organic particles such as bacteria and detritus. Mussels live by filtering out and eating small, organic particles from the sea. The main feed for the shells is freely floating, microscopic algae, called the plant plankton or algae-plankton. The presence of toxic algal plankton shells will accumulate from these toxins. The amount of toxic algae present, says something about the risk that shells can accumulate algae-toxins, to levels that make them unfit for consumption.
BACTERIA IN COOLING TOWERS, COOLING SYSTEMS, TANKS, DRINK WATER AND PIPES
Effective treatment to control algae and reduce the chance for legionella formation.
Use of ultrasound through water can eliminate up to 95% of the existing bacteria and algae and manage growth, thus reducing or eliminating the need of chemical dosing. Algae-free systems prevent the formation of new algae in both sessile and planktonic form.
Drastically reduced use of chemicals. Ultrasound also improves the reaction between chemicals and re-agents, to better effect, when necessary. When the algae and bacteria are drastically reduced through the use of the ALPHA system, we can drastically reduce, or even eliminate the requirements of chemical dosing.
Drinking water pipes and equipment are also especially exposed to biofilms. For example, biofilm in water can appear in an ordinary air conditioning plant and a chicken house, can become a reservoir for salmonella.
Legionella is a serious bacterial growth that is formed in the course of the water masses, namely when there is a higher CFU/mL level than the industry standard.
Legionella can cause severe health problems in humans when spread through air conditioning and through the use of Ultrasonic technology from ALGAEFREE the risk of legionella can be greatly reduced.
HOW ALPHA WORKS IN PONDS AND LAKES AND WHY ITS GOOD FOR THE FISH WELFARE
G. LaLiberte & E. Haber. Literature review of the effects of ultrasonic waves on cyanobacteria, other aquatic organisms, and water quality. Research Report 195, Wisconsin Department of Natural Resources, March 2014).
I’ll tell you that we are also concerned about it as well as my colleague Dr. Paul Zimba, Head of the Center for Coastal Studies (CCS), Texas A&M Corpus Christi, because we are both cited as references in the document without our permission or consent. Note that we donated a solar powered floating Quattro-DB® to Texas A&M because the CCS was working on a barrier island pond where ducks were dying from a toxic algae bloom. He and we are both very upset about the DNR document because it makes claims and supposed issues with ultrasonic technology based on facts not in evidence.
We will be composing a letter to the Wisconsin DNR to pull this very poorly written document as it is factually very inaccurate and highly misleading. I have been working with Dr. Zimba since 2007 when we donated ultrasonic units for their successful study on preventing catfish off-flavor that he was doing with the US Department of Agriculture’s Southeastern Regional Aquaculture Department.
Most concerns about ultrasonic algae and biofilm technology arise from conditions that occur from cavitation. This is a phenomenon that can occur in very close proximity to some ultrasonic algae control devices due to running them at over powered conditions, but even these devices cannot project cavitation more than a few centimeters from the device. Cavitation is a very powerful water phenomenon that first became known to engineers back in the early days of steam powered ocean-going vessels. By trying to speed up these vessels merely by increasing the propeller speed, they created hydraulically induced cavitation on the surface of the propellers that literally destroyed them over time. This occurs due to extreme turbulence that causes voids (vacuum) pin points in the water that collapse and compress dissolved gases from the water into very tiny bubbles that generate extreme temperatures for about a millionth of a second. It is these very high temperatures that can cause damage to virtually anything in contact with it.
To cause these effects in a large body of water would be virtually impossible without creating very high water velocities or by creating shockwaves that leave a wake of cavitation bubbles behind them. I know about this because I have been working on such technology for use in waste water remediation of solid waste and it is a very difficult thing to achieve and requires thousands of volts of electricity to create. Ultrasonically, you can create this effect, but need something close to a sonar pulse of thousands of watts like you might find in a submarine or a naval battleship.
The ultrasonic algae control devices generally have peak wattage levels of less than 50 watts and some of them can create a very small amount of cavitation at the surface of the device, but it does not project into the water body. This is due to the principle of loss of sound over distance which drops 20 dB every log meter. When we designed the operation of our Quattro-DB and Mezzo-DB transducers, we kept the output volume below the threshold of cavitation (about 195 dB at 1 meter away) so that even if you touch the device while it is operating, you will not sense any cavitation.
I did this because I have personally been burned by cavitation twice due to touching a device that was emitting at its peak power. I did not want anyone using our device to ever have to experience that sensation. Even with those devices, you must be physically touching it to sense cavitation. The effect is not projected into the water column.
For comparison, our devices only use a fraction of the power used in a fetal ultrasound imaging device. They also use less power than a typical boat depth finder that have never been found to be detrimental to aquatic life. All the issues generated in the literature review what was cited were based on a very poor understanding of the principles of the ultrasonic algae control device operation.
These devices do not lyse algae cells and cause them to release toxins. It is physically impossible. Yes, if you put a device in a beaker and turned it on it would be possible to lyse some algae cells that might be very near the surface of the output sound emission point, but in an open water environment that does not even occur within a centimeter of the device.
Toxins released by blue-green algae are created to share microcystic (or similar compounds that they make) provide a source of Nitrogen for the algae colonies. They are made by specialized cells called heterocyst. Nitrogen is essential to the growth of an algae bloom. For example, amino acids and chlorophyll cannot be made without Nitrogen.
Blue-green algae make this chemical (microcystic) in abundance when there is insufficient Nitrates in the water to supply the necessary amount of Nitrogen. It just happens to be toxic to humans and other mammals. When these algae die, they basically stop making this toxic material, they do not release it. In lakes where we have deployed ultrasound for algae control, blue-green algae are soon rendered heavier than water causing them to sink to lower levels in the water. At these levels the heterocyst’s cannot get enough UV light to continue to make microcystic, so the level soon becomes so low that it is even difficult to measure.
This also severely hampers the bloom growth due to lack of light and lack of self-created nitrogen compounds. We have devices in fish hatcheries and ponds around the world. No fish has ever been harmed by an ultrasonic algae control device and we have probably save millions of fish by controlling harmful algae blooms without chemicals.
If you read the literature review, you will see that there was no evidence cited of many of the supposed adverse macrocosm effects that were conjectured. That is because there isn’t any evidence that these kinds of problems can arise. If there were, I would not be in this business.
As to the kinds of problems that are real and can occur due to use ultrasonic algae control technology, I know of only one. If there is a significant bloom occurring and you place one of our devices in the pond or lake, it is possible to have a rapid die-off of algae. Because bacteria will begin to consume the dying algae, the bacteria can over consume oxygen from the water.
Under these conditions, it is advised to have some supplemental aeration in the pond, at least temporarily during the algae die off. The same condition can occur if chemicals are used to kill the algae suddenly. We generally recommend having the devices in service early in the season before any significant blooms can occur. Many people do not know that algae consume almost as much oxygen at night as they produce in the day. This can cause severe swings in the dissolved oxygen level from day to night. Typically, at dawn the oxygen level will be at its lowest point. If you see your fish gulping for air at dawn, then they are being deprived of oxygen.
When a bloom like this suddenly fails for whatever reason, the combined effects of not making oxygen and bacteria consuming oxygen as they eat the dying algae can lead to an oxygen level that is too low to support the fish. Typically, the larger fish die. Being in this business for over ten years now, I have had many people call too late because they have just lost most of their fish. It is not a pleasant call to take.
Supplemental aeration is one of the most beneficial things you can do for your water system. It supplies oxygen from the top to the bottom of the water column. This encourages aerobic bacterial action as opposed to anaerobic bacterial action. Anaerobic bacteria release phosphates from organic material they eat near the bottom of the water column. Blue-green algae have adapted to this phenomenon and daily sink themselves to the bottom at night so that they can get better access to richer phosphate nutrients.
The movement up and down the water column is due to naturally becoming heavier than water during the day as they build hydrocarbon ballast via photosynthesis. They maintain a delicate weight balance to achieve this. Ultrasonic damage to their gas vesicles renders them permanently heavier than water after about 3-4 days due to the gas from the vesicles migrating from the tiny tubes out to the outer cell wall. The outer cell wall cannot prevent the gas from slowly diffusing through it and as it does the cells begin to become too heavy to return to the surface for light.
Aerobic bacteria can be used to help remove excess phosphates from the organic muck at the bottom of the pond or lake. We subscribe to using these beneficial bacteria for this purpose as they can absorb and remove phosphates from the water. We call the use of ultrasound, beneficial bacteria and aeration The Water Trifecta®. It is a proven method of restoring pond health and an easy to maintain water environment that everyone, including the fish, can enjoy.
Algae Control with ALGAEFREE mod. ALPHA 4-ways
cleaning the pit for the mining industry
ULTRASOUND SYSTEM FROM ALGAEFREE IS REVOLUTION FOR WATER TREATMENT IN MINING INDUSTRY
ALGAEFREE mod. ALPHA 4-ways
IS USEFUL FOR INDUSTRY, AIR-CONDITION, FISH FARMING, MINING PIT, PONDS, WASTEWATER AND MORE, TO CONTROL AND CLEAN THE WATER FROM BACTERIA AND AVOID BARNACLE, MUSSELS AND ALGAE PROBLEMS.
| Maximum coverage | Algae and distoms Cyanobacteria (with vesicles) |
Radius of 150m, 7 ha or 17.5 ac Radius of 400m, 50 ha or 124 ac |
| Power module | AC 24, 120, 240 V – 50 or 60 Hz | 50 m cable (max. 150m) |
| DC 24 V – solar or batteries | ||
| Electrical consumption | 20 W | Peak at 50 W |
| Frequencies | 2024 | |
| Bandwiths | 24 – 58 kHz and 195 – 205 kHz | |
| Warranty | 3 years |
HOW OUR ALGAEFREE mod. ALPHA 4-ways SYSTEM WORKS
Emit sound waves to create an environment of critical structural resonance. The resonance causes a very unique environment in the immediate vicinity as it can critically vibrate internal parts of green algae and diatoms causing them to internally tear apart preventing proper fluid flow. In blue-green algae, this effect causes gas vesicle tubes to break causing loss of buoyancy and they sink out of light. The resonance also causes bacteria to avoid colonization because it is similar to water turbulence, a condition they avoid in nature. This helps to keep the walls clean. The prevention of the initial bacterial growth eliminates the attachment of algae, barnacles, and other crustaceans.
If the mines has problem with chlorella, bacteria, biofilm, green, and blue-green algae, ALPHA 4-ways is the only green solution there is.
The ALPHA system is very effective with Powerfuel Transducer and extact footprint for the different tubes at the prevention of algae and bacteria formations and drastically reducing the chemical requirements, reducing maintenance costs and improving efficiency.
Like Chillers and cooling towers represent a substantial capital investment and are often the largest single contributor to operating and energy costs in commercial facilities. It is therefore paramount to maintain the highest possible efficiency from any chiller system and ancillary / supply pipe network or condenser / cooling tower. The use of Ultrasonic Bio Fouling and Descaling protection helps to maintain chiller and pipe networks for the highest efficiency possible from any given system. By maintaining, descaling and treating the water for algae in both the chiller and the feed pipes the ALPHA Fouling Prevention system drastically improves cooling inefficiencies and saves money.
ALPHA Algal Control
| Scientifically Proven Technology
Ultrasonic control of algae is a proven effect, ultrasound treatment is used in many industries and has long been known to destroy bacteria and algae at a molecular level. Tested by many universities and research institutes around the world. This technology brings this ultrasound solution to a reliable, safe, power conscious and highly effective system with the years of experience required to apply the solution effectively for Cooling Tower water treatment. |
| Effective treatment to control algae.
The use of ultrasound through the water can eliminate up to 95% of existing bacteria and algae and control the growth levels thereby reducing or eliminating the requirement of chemical dosing. The system prevents the formation of new algae in both sessile and planktonic form. |
| Drastically reduce the use of chemicals
Ultrasound also improves the reaction between chemicals and reagents enhancing their effect when required. Once the algae and bacteria are drastically reduced through the use of H2O systems we can drastically reduce or even eliminate the requirements of chemical dosing. |
| Reduce the chance of legionella formation
Legionella is a serious bacterial growth that forms within bodies of water, namely when there is a higher CFU/mL level than the industry standard. Legionella can cause serious health issues in humans when spread through air conditioning and through the use of Ultrasonic technology from the risk of legionella can be greatly reduced. |
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ALPHA 4-ways ULTRASOUND SYSTEM FOR INDUSTRY.
Revolution for the land based industry because his unique ultrasound system avoid bio-film, barnacles and mussels in water reservoir, pipes and cooling system. ALGAEFREE has been in Ultrasonic Technology industry for over 9 years and was the first to develop, what is now, the industry leader in Ultrasound against Marine and algae growth to the maritime and land-based industry. With the development through the years, we are still leading the algae-free industry, when it comes to this technology. The advanced rate algorithms, for the commercial and industrial sector, have had great results. The ALPHA series is the most advanced and powerful solution developed. ALPHA Ultrasound is also the best solution for Bio-fouling problems on the market.
BIOFILM IS THE CAUSE OF THE PROBLEM WITH ALL THE UNWANTED FOULING
WHAT IS BIOFILM?
Biofilm is a coating of bacteria or microbes, which develop, due to an interaction between the surface and micro-organisms.
Biofilm is an advanced community of micro-organisms (such as bacteria, fungi and viruses) which are wrapped in a self-generated, protective slime. Micro-organisms prefer a life of biofilm. We find biofilms everywhere in nature, where there is moisture and nourishment, indeed on the mucous membranes and other surfaces in the body.
The formation of biofilm occurs in water pipes, water tanks and the like. Usually they consist of relatively harmless micro-organisms, but can also allow contaminants to gain a foothold, grow and develop in these biofilm. Biofilm can thus become a reservoir of infection, both directly and indirectly, i.e. if the water is used in offices for the production of food.
We must develop new strategies to both, prevent unwanted biofilms and to remove the finished-formed biofilms. In addition, more knowledge about the ‘anti-biofilm effect’ of traditional methods, ‘bio-prospecting’ will become be important.
UNWANTED MUSSEL FOULING
Mussels live mainly in algae, that is in sea water and this where the problems begin with the mussels clog systems. This in turn leads to the higher temperatures in the cooling of water. Businesses that use sea water for cooling, have two solutions, chemicals and cleaning. It turns out that the mussels have become so clever that when the chemicals get into the water system they close them out and survive.
The mussels main consumption are microscopic algae, phytoplankton, but they will also be able to make use of other organic particles such as bacteria and detritus. Mussels live by filtering out and eating small, organic particles from the sea. The main feed for the shells is freely floating, microscopic algae, called the plant plankton or algae-plankton. The presence of toxic algal plankton shells will accumulate from these toxins. The amount of toxic algae present, says something about the risk that shells can accumulate algae-toxins, to levels that make them unfit for consumption.
BIO-FILM IN THE FISH FARMING INDUSTRY
Water is an excellent environment for ‘biofilm production’ (“fouling”) and it will form biofilms on all fixed surfaces in water i.e. fish-breeding installations. These biofilms will largely consist of environmental organisms (but pathogenic bacteria, fungi and viruses can also establish themselves and survive in these biofilms) and contribute to repetitive disease outbreaks. Today we have very little knowledge about the possible meaning of this.
Biofilm as part of disease on fish. Microorganisms can form biofilm on mucous membranes, e.g. gills in fish. Both immune apparatus and antibiotics have problems removing germs in biofilm. Diseases are often chronic, leading to tissue damage and is very difficult to treat. The formation of biofilm on/in the fish, could be a possible contribution to the development of the disease, thus preventing the wound healing. We have today, limited methods to manage and prevent sustainable disease outbreaks, where biofilm plays a role.
Expertise-needs on fish health. There is very little knowledge of biofilm properties and infection in fish, with substances, despite the fact that most of the water is covered in biofilm. There is, therefore, a great need for knowledge about the effect of ultrasound mod. The ALPHA and the importance of biofilm in the development and spread of disease in farmed fish.
BOAT AND SHIPS
It’s not just in medicine and the food industry that microbes offer problems. Boat and ship hulls come in contact with many micro-organisms when these are being launched. These will, after a short time, cover the hull. First comes the bacteria that creates a biofilm that barnacles and shells like to attach themselves to. This means that the boat/ship will experience more friction between the hull and the water, which in turn increases fuel consumption.
Scientifically proven technology. Ultrasonic control of algae is a documented method. Ultrasonic processing is used in many industries and has long been known to destroy bacteria and algae on a molecular level. This has been tested by many universities and research institutes around the world (including thoroughly tested and proven by the Australian Navy). H2O technology brings this ultrasound solution for a reliable, secure, power conscious and very effective system with many years of experience that is required to use the solution effectively for water treatment
BACTERIA IN COOLING TOWERS, COOLING SYSTEMS, TANKS, DRINK WATER AND PIPES
Effective treatment to control algae and reduce the chance for legionella formation.
Use of ultrasound through water can eliminate up to 95% of the existing bacteria and algae and manage growth, thus reducing or eliminating the need of chemical dosing. ALPHA systems prevent the formation of new algae in both sessile and planktonic form.
Drastically reduced use of chemicals. Ultrasound also improves the reaction between chemicals and re-agents, to better effect, when necessary. When the algae and bacteria are drastically reduced through the use of the ALPHA system, we can drastically reduce, or even eliminate the requirements of chemical dosing.
Drinking water pipes and equipment are also especially exposed to biofilms. For example, biofilm in water can appear in an ordinary air conditioning plant and a chicken house, can become a reservoir for salmonella.
Legionella is a serious bacterial growth that is formed in the course of the water masses, namely when there is a higher CFU/mL level than the industry standard.
Legionella can cause severe health problems in humans when spread through air conditioning and through the use of Ultrasonic technology from H2O the risk of legionella can be greatly reduced.
