Growing Marijuana 101 - How to Grow Weed Indoors

learning05

Active Member
Hi I am a new grower and have a few questions about PH and etc. I have the same Milwaukee PH600 pen but every time I place it in my reservoir the reading fluctuates. I have been trying to keep the PH around 6.5 but it keeps raising by itself. Any suggestions? Am I using it wrong?
 
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