Yet another sand question

madrefkepr

New Member
Thinking about changing from cc to sand. Should not be too difficult, as I only have 1" of cc, and rockwork is suspended above it on 2" pieces of pvc. I wanted to use southdown, but not available here. I was wondering what others have used that is fairly economical (I am always overbudget the way it is). Thanks much!
 

mako

Member
I would recomend crushed agronite sized 2 to 4 mm and take the time to build a plenum under it. It would be well worth your time crushed agronite will desolve and release calcium and stronium at a ph of 8.0 to 8.2
 
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