Added by: Bear Last edited by: administrator Viewed: 139 times
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Marijuana thrives in neutral to slightly acidic mediums. Soil and soilless mixes should aim for pH of 6. Hydro growers should go slightly lower which helps prevent pythium and other root rots-- 5.5 to 5.7 is ideal.
Last modified: 14:53 - Jan 11, 2001
faq:705 "What pH level or range should I aim for?"