Lr

birdy

Active Member
As much as you want.
You want to find a balance of enough rock for your fish and what you think looks good and also so that you will have enough biological filtration for your tank. typically that amount is at least 1lb per gallon of water. So at least 20lbs of LR, after that you can just add pieces to make the tank look better, but still give your fish plenty of room to swim.
 

birdy

Active Member
As long as you completely seal up the tank so no paint would get it in I don't see why not.
Probably won't be able to spray paint it though, which I think works the best.
 
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