How do I lower ph in 5gallon pot using organic soil at ph 7.9
What kind of soil are you using
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Welcome to the community , May I ask what are you using to check PH , Also if using meter when is the last time you calibrated or verified for accuracy.
Happy growing !
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Are you using a soil probe or checking the runoff with a meter. when you drench it with water @Hotbox420 .
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Testing runoff its 7.9 ph need it to go down to 6.5
Using coast of main organic soil testing with ph pen in 5 gallon till runoff
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What’s the input PH? To get that high of PH down I would recommend a flush, what’s the age of plants and nutrients used. What was the run off PPMs, post some plant pics Growmie 
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I flushed it with 6.2 till run off the emphasized textrunoff came out to 7.9 ph the ppm down to zero so I can add nutrients next watering it’s flowering at week 4 purple punch auto
The ppm were way too high around 1800 ppm
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I would have continued the flush until it hit the range of 6.3-6.8. You’ve got nutrient lock out due to the PH of 7.9 this is preventing nutrient absorption
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Next watering will do it got a new ph pen the other one is a cheap one this one is a blue lab one maybe the cheaper ph pen is off
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Nice choice and I use that one and a Blue Lab TDS pen. Don’t trust it out of the box and calibrate it
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Have you added ANY nutes since starting your veg? Also what nutes do you plan to use? I use Coast of Maine Stonington Blend. Only reason i ever had any ph issues was when i was using a water addidtive to remove chlorine and heavy metals which tanked my ph. I only use Coast Of Maine Organic plant food, Worm Castings, and Coast of Maine buds n bloom. Ive had multiple successful grows with them. Ive got a 50 gal fabic pot full of recycled Coast of Maine which i will be following their basic potting soil feeding schedule for the girls in the germination station. Here is a pic of my 6 week old girls that will be flipped in a week into flower. (Im topping with worm castings tonight along with their first feeding of buds n bloom.
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I had to order flavha nutrients recently but I was using fox farm cal mag some kelp and hibrix molasses maybe some nitrogen from raw some billions microryza with some worm castings in a brew with air stones
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Probably