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Your cart is empty.This 4-inch sphere is preloaded with a natural bacteria and enzyme blend which reduces excess nutrients, sludge and ammonia, resulting in improved water quality and clarity. A patented timed-release system incubates and releases beneficial bacteria and enzymes 24 hours a day, 7 days a week, over a 30-day period. Each sphere treats up to 12,500 gallons (to calculate pond volume in gallons, multiply pond length x width x average depth x 7.5). Being all-natural, you can't overtreat. PRO formula works effectively in water from 34° to 110°F. Safe for humans, pets, fish and plants. Made from a corn-based polymer; after 30 days, sphere can be disposed of or composted. Replace sphere every 30 days. 2-pack treats up to 12,500 gallons for 60 days, or 12,500 to 25,000 gallons for 30 days. May require 4-6 weeks to achieve water quality improvement. Most effective in ponds with pH level between 6.0 and 8.5. Disclaimer: Molded from resins that have been certified compostable to the requirements of ASTM D6400 and shown to be marine degradable per the requirements of ASTM D7081. Made in USA.
Mick
Reviewed in the United States on February 14, 2025
Works well
Wini Bishop
Reviewed in the United States on January 14, 2025
Works as described. We use it faithfully in our large pond.
Dewey Bumstead
Reviewed in the United States on August 28, 2024
I tossed one ball in our 1800 gallon fish pond. I knew that it would take time to work and after 1 month, we're seeing clearer water. Less algae and crud in our filtration system as well.
Chance
Reviewed in the United States on August 26, 2024
the work well but could have a better distribution set up for the chemicals
Customer
Reviewed in the United States on August 19, 2024
This controls the moss alge growth in our pond. We get mosquito fish which eats the larva of the misquote. We us one ball to start and the other mid summer to keep alge down.Does not harm fish or cattails.
J Skydell
Reviewed in the United States on July 14, 2024
We have had an ongoing problem with some cloudiness in our 3000 gallon Koi pond. We ordered a pair of these and within a few days the pond was noticeably clearer and appears to be getting clearer day by day. We will start using one of these at the beginning of each month hopefully it will keep the pond as clear as clear can be.
Barbara F.
Reviewed in the United States on December 30, 2024
These are excellent in keeping "less than perfect" draining ponds, clean and clear.
Customer
Reviewed in Canada on July 7, 2022
I didn't like it, would like a refund
PDM
Reviewed in Canada on July 21, 2022
Cleaned up our pond water crystal clear.
Randy Bennett
Reviewed in Canada on June 30, 2021
Bought two of these, and have now put the second one in a 10,000 liter pond and nothing has happened over the period since they were delivered.
Customer
Reviewed in Canada on February 10, 2021
Works really good in fish ponds.
C C Blackwood
Reviewed in the United States on September 26, 2020
I use 2 balls once a year. I throw them in in the spring and then forget them. The fish love the curiosity of it. This year I put one of the balls at the water source that leads to the pond via 4 waterfall pools, works great, even keeps the pools scum free as well as the pond.The bad news is, they do not work for my 12,000 gallon lower pond. Since I know they work for the upper pond, I think that there is something else going on in the lower pond. It has different water source.
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