nutriend advice

  1. pmad

    Can I use a 20-20-20 instead of a 20-10-20

    As Dr. Bruce Bugbee suggests, they use a NPK 20-10-20. Unfortunately I can't easily find it (I've tried online and in some shops), but I found a very good 20-20-20. May I use a 20-20-20 instead of a 20-10-20?
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