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Are you on well water? 400 ppms seems higher than what you would get from great lakes water.
Some nute formulas have a hard water version. Well, I know general hydroponics flora has a hard water version...
I'm on city water on a major river. Where I'm at we have some of the most treated water in the country. Botanicate doesn't make a hard water formula but I've been considering switching to vegamatrix after conversing with another member.
I think lake michigan tap water usually comes in less than half that, around 150ppm? Or maybe it was 300ppm, im not sure.
Is that the vegan nutrients from kyle kushman? Are those even shipping?
I might give r.o a try at some point down the road but for now it ain't broke so i ain't fixin. But heres a shot of one of my wonderberrys in soil around 25 days in
I could see not fixing the water if i did in fact have an issue with it but it works just fine the way it is, i don't have cal mag issues and its one less thing to have to remember to replace.
hunting for somw sativa males, germin out some blue sonja (technically blockhead) and dg's m99, also considering going through billyblog's malawi for a male to hit up a djshort bb in the future