@BucketBrigade, if it smells of freshly mowed grass - this is normal! for hydroponics make solution ph 5.8-6 .2
Table with EC and pH recommendations for developmental stages
Indica
Seedlings and clones 0.4 - 0.6 EC / 5.3-5.5 ph
Early Vega 0.7 - 0.9 EC / 5.3-5.6 ph
Mid-vege 0.9 -1.1 EC / 5.4-5.6 ph
Late Vega 1.1 - 1.4 EC / 5.5-5.7 ph
Early flowering 1.4 - 1.9 EC / 5.5-5.7 ph
Mid-flowering 2.0 - 2.3 EC / 5.5-5.8 ph
Later flowering 1.4 - 1.6 EC / 5.5-5.7 ph
Maturation 0.3 - 0.7 EC / 5.4-5.6 ph
Sativa
Seedlings and clones 0.4 - 0.7 EC / 5.3-5.5 ph
Early Vega 0.4 - 0.8 EC / 5.3-5.6 ph
Middle of the veve 0.8 - 1.0 EC / 5.4-5.6 ph
Late Vega 1.0 - 1.3 EC / 5.5-5.7 ph
Early flowering 1.4 - 1.6 EC / 5.5-5.7 ph
Middle flowering 1.6 - 1.9 EC / 5.5-5.8 ph
Later flowering 1.2 - 1.4 / 5.5-5.7 ph
Maturation 0.4 - 0.7 EC / 5.4-5.6 ph
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