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So i bought a couple of bags of potash and phosphorus. I am trying to make a 0-5-4 ratio fertilizer for flowering.
All %'s are %w/w
The potash has 41.5% potassium and 17% sulfur (both as sulfates) It has an NPKS of 0-0-41-17.
The Phosphorus is 14.7% phosphorus. 6.3% citrate soluble 8.4% citrate insoluble
does this mean for every 100g of potash i use 226 grams of phosphorus or do i take into account the citrate insoluble phosphorus and make it to every 100g of potash i use 527g of phosphorus?
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