I Keep Fish
Fish Crazy
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- Oct 31, 2010
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Will be purchasing a 300G tub of this soon, my tank is 24x24x20 with quite a lot of plants in their, i'll be adding more and will definatley be adding floating plants for extra security too. How often and for how long will a 300G tub last? i will be adding a DIY CO2 kit after christmas
