Originally posted by Mr. Tang:
<STRONG>They suggest between 1-2lbs of LR per gallon depending on the density of the rock. 1.5 is fine.</STRONG>
The latest information shows that plenum system users dont need LR at all in a properly running system, the same may be true of DBS, but I havent heard. The LR is just a good source of life to seed the sand. I recommend 1-2lbs depending on the fish load in the tank.
BurnNSpy