Is 1.25 - 1.95 mm grain size good for bacteria growth or do I need a finer sand for that?
dragonboy Active Member Sep 28, 2004 #1 Is 1.25 - 1.95 mm grain size good for bacteria growth or do I need a finer sand for that?
spline9 Member Sep 28, 2004 #2 I dont think grain size matters. Bacteria should grow on everything. Thats what people use liverock for. Consider a piece of LR as one giant grain.
I dont think grain size matters. Bacteria should grow on everything. Thats what people use liverock for. Consider a piece of LR as one giant grain.
