I have a aeroflo 36 with a 40 gallon res.i am using the whole line of fox farms nutes.my waters ppm is 250 to 300 before i put anything in it. i know thats high and i need to invest in a reverse osmosis but at this time it is not feesable.i am pretty sure i have a magnesium lock out,my leaves are curling up,.turning yellow and brown mainly on older leaves.my? is can i use the epsom salt from the pharmacy or is it not to be used in gardening.
epsom salt
- Thread starter billgame
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