As above which is the cheapest please as excel is a bit expensive?
I've tried it on one tank and had some good results so may want to try on all my tanks but they are:
100 gallon
75 gallon
40 gallon
30 gallon
Also is it ok to use it when breeding fish?
I've tried it on one tank and had some good results so may want to try on all my tanks but they are:
100 gallon
75 gallon
40 gallon
30 gallon
Also is it ok to use it when breeding fish?