What is the rule of thumb for gravel? is it 1 lb/gallon?
I have undergravel filtration on my 125 and want at least 1 solid inch of gravel on top of that. How much gravel did you guys use on your 125's?
I have undergravel filtration on my 125 and want at least 1 solid inch of gravel on top of that. How much gravel did you guys use on your 125's?