KDF media has been tested by the National Science Foundation and received NSF certification standards 42 and 61. Our reticulated KDF is currently used in commercial & residential applications, including the filtration of drinking water.
6″ disk which fits directly into pool skimmer. No plumbing or installation required. Eliminates the use of chemicals with little or no chlorine. One disk will handle up to 15,000 gallons of pool volume.
What it Does
The Filter Foam technology uses Power Disks to provide excellent, chemical-free water for swimming pools and spas through filtration rather than the introduction of chemicals to the water. Chlorine attacks organic matter, and your skin is your body’s largest organ. Chlorine irritates eyes, nose membranes and lungs, and it leaves skin and hair dry and flaky. Studies have shown that long-term exposure to chlorine can be harmful to your health. Biguanide products can be very problematic; causing allergic reactions, breathing problems, filter plugging and sticky film formation on pool surfaces.
Filter Foam Disks use a unique form of KDF copper-zinc media which has been molded, via a proprietary process, into a soft disk that looks like a gold sponge. KDF is excellent at removing chlorine for long periods of time while also acting as a descalant and maintaining a bacteriostatic environment. KDF meets NSF Standards 42 and 61 and has been tested to remove heavy metals and inorganics as well as chlorine from water.
Filtration inside the pool or spa system takes place as the water twists and turns through the Power Disks’ maze of copper-zinc fibers. This tortuous movement increases contact time with the disks during each pass through the media, as the water is recirculated through the media over and over.
How It Works
Filter Foam Power Disks use an all-natural process that works by catalytic action and the redox (reduction/oxidation) principal of dissimilar metals. As water passes through the Power Disks, a chemical reaction causes zinc and copper hydroxides to form in controlled amounts. These controlled releases of copper and zinc oxides are carried into the filtered water where they provide hostile conditions for growth. This means cleaner water for bathing, plus reduced time and labor in keeping the pool or spa clean.
Filter Foam Disks also safeguard your pool and spa by reducing the need for chlorine and other chemicals that corrode pipes and equipment. Plus, chemical costs are minimal. After heavy loads from excess bathers, heavy rain, wind or pets, a one-time shock treatment with potassium monopersulfate, or other shocking agents like ozone, hydrogen peroxide, or chlorine, is usually sufficient to solve the problem. The Power Disks also help to neutralize slightly acidic water, thereby reducing or eliminating the use of pH chemicals.
How To Use The Mega Disk
- Water flowing through the MegaDisk is what makes it work. A pool or spa needs to circulate the water to provide maximum contact with the disk. The best way to do this is to circulate the water for at least 12 continuous hours each day, ideally 24 hours a day, 7 days a week. Do not allow suctioning except at the skimmer or wherever the disk is placed.
- Don’t worry about pH with the disks. They regulate themselves usually between 7.4 and 8.2. Chemicals intended to control pH severely reduce the disk’s efficiency. Most pH parameters for pools and spas are based on using chlorine and are not relevant when the disk is used.
- Likewise, the disks tend to regulate water’s softness. The main reason water is hard is that calcium is present. The Mega Disks do not remove calcium, but they make the water act softer by changing calcium’s characteristics so that it does not stick to other compounds. So calcium does not create scale on surfaces.
- If you test the water for softness in a Mega Disk treated pool or spa the test will show any calcium present because the calcium is still there, but altered.
- There are no health issues with the disk’s capacity to make water act softer. Do not use chemicals to soften the water when using the disk; it will restrict the efficiency and life of the disk. In normal operating conditions using the disk no chemicals are needed for softening.
- The Mega Disk for pools comes with a black disk guard designed to capture sediment. If the guard becomes clogged, it decreases the flow of water through the disk. Keep the guard clean by peeling it from the disk, washing it in water and placing it back on the top of the disk.
Q) How does it work?
A) Both the Pool Disk and the Spa Disk work through a controlled release of copper-zinc ions.
Q) How does it control algae and bacteria?
A) Copper is a known algaecide. The release of copper-zinc ions controls bacteria and algae
Q) Why don’t I need to test?
A) You can test if you want to but it’s not necessary. This is because the copper-zinc disks will
control bacteria and algae as well as scale and hardness and will also self regulate the pH.
Q) Why is the pH higher than with chlorine?
A) Chlorine works best at pH levels between 7.2 and 7.6. Our copper-zinc disks will seek their
best operating pH levels. This is usually between 7.4 and 8.2. Don’t try to lower the pH with
chemicals as that will reduce the effectiveness of the disks. It is recommended that you test for
pH for a few days after the disk is installed to determine a base level for the pH. Once a baseline
has been established you can then determine if the pH is decreasing.
Q) Is there a test I can perform to determine if the disk is still working?
A) Water turns cloudy because of an increase in bacteria load. When bacteria increase the pH
decreases. So, you can test your water for pH; if it decreases below 7.2 and continues to
decrease it’s time to change the disk. This is the reason to establish an initial baseline.
Q) Are there other tests?
A) You will not need to test your water when using the disk. However, you can test for copper
levels and/or zinc levels. These levels will also diminish as the disk wears down.
Q) What happens if my pool or spa turns cloudy?
A) Under normal circumstances the water in your pool or spa should be clear. If the water
turns cloudy it could mean that the disk(s) is not seeing enough water. Increase the amount of
time your pump runs to increase the contact time that the water has with the disk. MAKE SURE
THAT WHEN WATER RUNS THROUGH THE DISK THERE IS NO SUCTION ELSEWHERE. If
the water remains cloudy it might be time to replace the disk(s).
B} The copper-zinc disk will work on existing scale changing it from a hard scale to a “soft”
scale. During this process the “soft” scale will flake off and dissolve into the water. The dissolved
scale can make the water appear cloudy. If this is the cause of the cloudiness in the water, use a
finer (smaller) micron size sediment or sand filter to clear up the water, or use a coagulent to
clump the molecules together for easier physical removal.
Q) What are NOT Normal circumstances?
A) Excessive bather load, meaning too many people in the pool or spa at once, unusual
climactic conditions, meaning excessive rain or heat, and animals swimming in the water are all
considered not normal operating conditions and can cause a sudden, dramatic increase in
bacteria load. A sudden increase in bacteria could overwhelm the system and cause the water to
Q) If a condition occurs how do I get my water back to normal?
A) If the water does not clear up by itself within 24 hours of continual use of the disk you
should do a mini-shock to diminish the bacteria load so the disks can resume normal operation.
Remove the disk during the shocking period.
Q) What is a mini-shock?
A) A mini-shock is using a dose of your shocking agent for a 24 hour period to diminish the
bacteria load. Remove the disk from the pool or spa during the shocking period.
Q) Will I need to treat my water in any other way?
A) When using the disk no other treatment should be necessary. As a matter of fact, using
chemicals will diminish the efficiency of the disk. However, many customers will do a mini-shock
anywhere from once a week to once every six weeks to not at all just as preventative
maintenance. Whenever you mini-shock make sure to remove the disk and return it after 24
Q) What if my pool or spa suddenly turns green?
A) There is nothing in the disk to cause your water to turn green. More than likely some
nitrogen based compound (fertilizer, herbicide or pesticide) has found its way into your water.
There are some special chemicals which you might need to use to remove the nitrogen
compounds. Consult your pool or spa expert. Remember to remove the disk from your pool or
spa during treatment.
Q) How do I know when the disk stops working?
A) Your water will turn cloudy and will not recover. Unless this is a result of the unusual
conditions listed elsewhere which might require a mini-shock, this is the first sign the disk might
be reaching the end of its useful life. You can also test pH levels. ( See question # 5)
Q) What does it mean when the disk starts to get dark?
A) It is normal for the disk to get darker in color. This actually shows that the disk is working.
During the oxidation process the disk will darken as it gets used.
If you have more questions visit our website at www.cuzn.com and send us an email. Enjoy your
chemical free swimming and bathing.
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