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Grow QuestionsI am using a PH- from Dutch Pro. i haven't us...

I am using a PH- from Dutch Pro. i haven't us...

Merchant_Lordstarted grow question 5 years ago

I am using a PH- from Dutch Pro. i haven't used a PH manipulator before and it has no usage guidelines on the bottle. I have used it approx 10ml to a Ltr mixing it in a separate container to where i add my nutes. Does this sound correct?

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Techniques. Defoliation

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Asa_Noukaanswered grow question 5 years ago

I compared with Dutchpro and Canna pH down. Dutchpro shows "Concentrated – 30% Phosphoric Acid". CANNA shows "Corrosive elements, 59% phosphoric acid" and recomends "Add pH adjuster in very small doses (5ml) to the nutrient tank, checking the value of the pH level until desired pH level is achieved (6.2)". https://www.onestopgrowshop.co.uk/products/dutch-pro-ph-down-phosphoric-acid?taxon_id=107 http://www.canna-uk.com/ph-series Using 10 ml / l is reasonable in my opinion. But, Please add 1ml/l (or less) and check pH, and do it again till pH reaches the good range of pH. After you know how much pH down is needed to decrease 0.1pH, adding more than 1ml/l. I did also adding pH down 5ml/l first and adding pH up to adjust the pH value. It increased also EC and made me mad😨.

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Majormolassesanswered grow question 5 years ago

No you want it in the same so you can read the ph and feed your plants that exact lvl with the nutrient so your plant can uptake it at 6.0-6.6

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