How to lower soil ph

Continuing the discussion from Auto leaves yellowing:

Ok got the citric acid to get ph down so how much do I use for a 3 gal geo pots or how much per litre of water my soil ph is about 8

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Ph the water going in to what you want your soil to sit at, then add that to your soil until your desired ph is achieved

My guess is it will take 10-15 gallons.

About 10, would be a complete flush of nutrients also tho, try 3 to start and see if end run off gives your optimal level

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On the last gallon of water used to flush check your ppms i do this to give me a idea say you got alot or a little will let you know to run at full strength or to back off i put my self right back into lock out by not paying attention to this and was feeding to heavy to.

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Thanks everyone