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New Grower How do I adjust the ph of my soil???

looking healthy both of you, as others have mentioned ph your water if your tap water isn't quite neutral, and watering at a ph of 7 for soil is perfectly fine.

For future plants, i recommend dolomite lime at 1-2 table spoons per gallon of media, it acts as a ph buffer and provides Calcium and magnesium as well
 
My babies are coming along now.
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I'm just encountering this problem now. My runoff ph has been under 5 so I flushed and added a sprinkling of dolomite lime to the top of the soil which I hope will balance out the ph. I'm in week nine now so all this has been a good learning curve for my next grow which I started last week.

Ph was 5.5 this morning so hopefully it continues to rise slightly. I've been watering with water and nutes at corrected to 6.5 but I haven't had runoff each time I've fed the plant so maybe the salts haven't been washed away like they should've with a normal watering regime.

Plants are looking good.
 
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