Sulphate of potash

reggie1387

Active Member
Hi growers.
Currently using General hydroponics range
Flora series 3 part
Armor Si
Florablend
Calmagic
Liquid koolbloom

Feeding my plants as per their chart. In 5gal soil fabric pots. I flipped my plants on the 4th of February. I was looking into getting some koolbloom dry. When should I start adding dry? I was at my hardware store yesterday and seen it had a product sulphate of potash npk 0-41-17 and dry koolbloom is 2-45-28. Could I use the potash instead of dry koolbloom ? Has anyone used it before?

Thanks
 

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