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HappyGrower420 started grow question 4 years ago
anyone knows how much cal +mag a plant needs? i was using distilles water and now i habe a deficiency. Im giving around 200 mg of Calc +70 mg magnesium.Before i was giving only 7mg/l because water was filtered and i dint realise. Do you thing is enought the amount i provide ?
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6 comments · 4 years ago
Resolved
Week 8
Leaves. Color - Dark-brown
Removed answered grow question 4 years ago
When your water source has low EC/PPM, it's a good rule of thumb to increase it to 0.3 to 0.4 EC/ 150 to 200 PPM before the nutrients.
200mg/lt of Ca plis 70 mg/lt of Mg is equal to 270 PPM of Ca + Mg, so yeah it should be more than enough, assuming what you are giving is in a form that's readily available to plants to take.
Although this late it won't make the symptoms go away it should prevent their advancement.