My husband and I have been keeping Koi for 7 years. We have upgraded over the years so we now have a 10,000 gallon pond in our backyard. I am responsible for measuring water quality, using pond chemicals and monitoring the health of the koi. My husband takes care of the equipment. I realized that you can never rest on your laurels. You should test your pond regularly. I use API test suites. I use many API products and have always been satisfied. When we upgraded we got the Craigslist system first (bad idea) and then were able to save enough to get a really good system. We decided to keep the old and new systems together (bad idea). All was fine for a while until we had such a high ammonia spike that 3 new carp died before we could figure out the problems. Through trial, error and money we have found that 4 things happen. First we found that the system at Craigsleet was badly modified by the pool system (bastard) and accumulated ammonia. That's probably why he wanted to sell it. Our new system kept up with the extra strain until it stopped. Secondly, we did not notice that the water pressure in the lines to the good system was too high and the sound did not have time to clean the water well. Third, the pressure was so high that the clay was breaking down, so over time more and more ammonia and less and less clay filtered the water. It was my fault for being too lazy to check the ammonia. I was wondering how can there be so much ammonia in so much water with so many fish and such good filtration, especially since we've never had an ammonia problem? Every time I checked on him he was gone until he got so mad we were lucky we didn't lose any more koi. We also did regular water changes. The fourth problem was that we didn't know that our district was starting to add ammonia to the water, so every time we changed the water we added the ammonia back even if the level was lower. Therefore, in case of problems, check both the water source and the pond. We used a huge amount of ammo until we figured out the issues and fixed them. What blocks ammo is that it combines with ammonia and creates a non-lethal version of ammonia. Your pond system still needs to get rid of it, but at the same time it won't be toxic to the fish. This is the next best thing after a massive water change (with water that is no longer ammonia). When you test your water, it still shows high levels of ammonia because it is (only in non-toxic form). I know that without ammunition we would have lost more carp. So we ditched the bad system, added more pipes to reduce water pressure, added more clay to the filter, added Cyclone to our system that removes fish waste so less ammonia. builds up and the county started using less ammonia so we don't have to use ammo blockades on a regular basis. I check my ammonia regularly no matter what. So I highly recommend using this product until you can eliminate the cause of ammonia.
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