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hard water
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How much Cal-Mag for coco grow with hard water?
My water is truly hard: 400 ppm TDS without any additives. I am growing in a premixed coco-perlite blend, which contributes no nutrients. Too much cal-mag and I'll get lockout. Too little and I'll get deficiencies. Should I start with 1 ml/litre and see what happens? I would rather prevent...- Tone3000
- Thread
- beginner hard water nutrients
- Replies: 9
- Forum: GWE Marijuana Growing Community