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MH and HPS bulbs during flower
Digital versus high pressure sodium
March 24, 2012

I know that I need to change my bulbs when i am switching to flower to HPS but i cant afford them right now. How much would my yield decrease by keeping mh lights all through flower? ANything else i should do different have had 6 grows but always used hps at flower and want to know what could go wrong with my garden.

1 Comment

  1. Try to use mercury halide (MH) bulbs to get bigger yield, 25% or more yield, if at all possible. You will wish you would had, since mh bulbs give blue spectrum the plants need. Always use mh for vegging and hps for flower.

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