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![]() "Andrew Burgess" wrote in message ... "George" writes: wrote in message ... Cleaned the "Gunk" from the bottom of my koi pond the first time in 10 years. This pond had twelve 10 year old koi that were very large. I decided to sell them and keep goldfish and plants again. I never..I repeat never felt the need to clean the gunk. It is an outdoor pond and not an aquarium. I have a very good filtration system and only cleaned a 5 gallon bucket of "gunk" out of the pond. {:O) MIKE I'm like you. While my koi are still young (about 2 years old), I have a large albino channel catfish and a lot of goldfish. My pond is only a year old, but even being located beneath a very large pin oak, where leaves and acorns regularly fall into it ( I do screen the pond in the fall), the bottom of my pond is perfectly visible. No gunk at all, not even an acorn. The bacteria I use digests the debris completely Me too but I don't use a bacteria additive, I do have a settling chamber in the filter. I've often wondered why some get a build up and some do not. I do have maybe half an inch of black aquarium gravel in mine that the koi root around in, maybe that keeps stuff stirred up until it drifts into the filter? The only thing I have on the bottom of my pond is my pre-filter. I think we can chock it up to successful microbial activity in the ponds, whether you add any or not. My pond would likely have stabilized without the addition of microbes. I simply like them to get established as rapidly as possible after winter in order to keep the pond water as clear as possible for the longest length of time. |
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