PlantGuy's Calcium Sulphate CaS04 (1lb)
We currently have 980 in stock.
500g
Questions & Answers
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Which variation of CaSO4 do you sell? CaSO4·2H2O or CaSO4·1/2H2O? Thanks.
It's gypsum... 2h20
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Is this suitable for hydroponics? Could it be used to add calcium?
yes it could..