Ph of water in a soil grow

Beefbisquit said:

6.5 is the most recommended. Try adding 1tsp white vinegar for every 4L (1G appox)... if you go to far, you can always use baking soda to bring it back up a small pinch at a time.

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robside said:

I use tap water which in most cases comes out at 7.0 to 7.2 i try to water at 6.8 to 7.0 is this to high a ph for a soil grow, im using FFOF in 3gal. pots. i just re[poted from Quarts to thier home, 3gal and i noticed on one plant some yellow spots on leaves. ive grow before, 5 too 6 grows but this is a problem id like to find out if its do to Ph, is my ph'ed water too high at 6.8 to 7.0?

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