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Re: A Pond of Problems - Help needed

Subject: Re: A Pond of Problems - Help needed
by Fishlady on 2019/7/9 19:03:43

Cleaning everything probably removed the beneficial bacteria that actually filter the water and convert ammonia via nitrite to nitrate. However, the underlying cause is far too many fish for the size of the pond. 220 litres is only big enough for a couple of goldfish. This article explains how much space goldfish need: https://www.fishkeeping.co.uk/articles ... -size-life-expectancy.htm