Sickie
- Thread starter Rman73
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~ do I need to get sum cal/mag since I'm using RO water ?
Gb told me to tell you yes.
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hey Rman- ...looks like Bear and Blue (not to be confused with Moose and Squirrel 
) have you covered,... As for that symptom, that low down,... (how old is she?) -- it could be early P or Ca defc.,... GH makes good stuff, and that product should be fine, but do note that it has a 1-0-0 GA, because the Mg source is a nitrate, not the usual carbonate, so I'm not sure it'll be as good for buffering that RO waters' pH as other fully carbonate sourced products....Just curious: have you had any trouble keeping your pH fairly stable? Likely you know already, but RO water has all those buffering minerals removed, which makes it susceptible to big pH swings from small inputs or changes in the nutrient soln. chemistry while the plant draws from the res',... meantime, follow GB's advise! 
) have you covered,... As for that symptom, that low down,... (how old is she?) -- it could be early P or Ca defc.,... GH makes good stuff, and that product should be fine, but do note that it has a 1-0-0 GA, because the Mg source is a nitrate, not the usual carbonate, so I'm not sure it'll be as good for buffering that RO waters' pH as other fully carbonate sourced products....Just curious: have you had any trouble keeping your pH fairly stable? Likely you know already, but RO water has all those buffering minerals removed, which makes it susceptible to big pH swings from small inputs or changes in the nutrient soln. chemistry while the plant draws from the res',... meantime, follow GB's advise! 
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