Hi guys I’m growing in Soil and i water with RO water “ PPM is 80”my plants are two weeks old and i have only been watering with a PH water.when should I start to add CalMag?thanks
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What soil are you using? Usually you can start feeding low amounts at 30 days or so. In my experience i only add small amounts since I grow organic now. Too much is not always a good thing.
Start slow, ease the girls into it
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