I am no expert but watering with 7.0 should be perfect unless you test your runoff and it's way too low. It's a balancing act. I wouldn't worry about the lime, just add the 2 Tbsp per and forget it. If you have enough decent soil you don't need to add anything.

Sounds like you have a plan.
jakester Reviewed by jakester on . First grow... Water quality questions (pH, TDS, Hardness)? Hey guys, So, there's going to be some clones getting planted in the next 2 days. I've done A LOT of research lately on here, a couple other forums, and of course a quick skimming of The Indoor Grower's Bible. I've been doing my research but I've got a lot to learn. So, onto my question. A little background information on growing medium... it will be Fox Farms Ocean Forest 80%, Perlite 20%... and possibly a small dose of lime (1 TBSP per gallon). I've seen differing viewpoints on the Rating: 5