Comment to 'Ohhhh...  well how much is "too much" Ca/Mg? I use 5 ml per gall...'
Comment to Ohhhh...  well how much is "too much" Ca/Mg? I use 5 ml per gall...

  • I use an EC meter but I never go past 0.2 for cal-mag in hydro, in soil I never go past 0.1.

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