Yes, you're absolutely correct. pH can fluctuate. Except just so long as it's between 6.3 and 6.8. You'll be golden.

Doc Oc.

Quote Originally Posted by robynhd2
its hard to get the ph exactly the same, i thought anywhere in that range was ok. they are in 5 gallon pots maybe, like i said most are around 12''x16''.