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xerxeswasachump · 09-18-2006, 10:17 AM

The substrate is regular gravel...way too much of it. The substrate is about 4 or 5 inches thick, but if it were any thinner the plants wouldn't get enough of the already inadequate light (2, 36" PC bulbs that haven't been changed in 3 years).

Everywhere i have read states that water coming out of an RO unit is always less than 7. In my experience that has always been the case as well. My home RO unit spits out 6 pH water too.

I was cleaning out the system the other day (or trying to anyway) and i kept finding those lead plant weights. I must have pulls at least 50 from the gravel. I bet there are hundreds buried in the substrate that are very old. Would those be contributing to the increasing pH?

09-18-2006, 10:17 AM	#3
xerxeswasachump no snakes alive... Join Date: Mar 2006 Location: Ho-Ho-Kus, NJ Age: 24 Posts: 237	The substrate is regular gravel...way too much of it. The substrate is about 4 or 5 inches thick, but if it were any thinner the plants wouldn't get enough of the already inadequate light (2, 36" PC bulbs that haven't been changed in 3 years). Everywhere i have read states that water coming out of an RO unit is always less than 7. In my experience that has always been the case as well. My home RO unit spits out 6 pH water too. I was cleaning out the system the other day (or trying to anyway) and i kept finding those lead plant weights. I must have pulls at least 50 from the gravel. I bet there are hundreds buried in the substrate that are very old. Would those be contributing to the increasing pH? __________________ 46 Gallon Planted Tank: 1 bolivian ram, 1 angelfish, 12 glo-lite tetras, 2 colomesus asellus, 8 japonica shrimp