ph of runoff

Xcon

Active Member
You should prepare your soil in advance so you don't have to deal with ph issues. It's not hydroponics, where the plants respond immediately to changes in the water. Plants grown in soil can take a few days to a week to respond to changes in your routine.

The easiest and most common method of stabilizing the ph of your soil is to mix in dolomite lime ($3.50, home depot) 1 cup per cubic ft or 2 TBSP per gallon of soil. I've got a plant 5-6 months old, checked the ph for the first time in a month, still 6.5 :)
 

Xcon

Active Member
Good choice, I'm using ffof as well.

You can adjust your ph by flushing with up/down. Start with a large reservoir and ph-adjust the water, then flush your soil with it till runoff ph is where you want it.
 
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