Ebb and Flow / Flood and Drain Hydroponics, Heath Robinson
http://www.bestseedbank.com/
Heath Robinson Hydroponic flood and drain Grow. Archived from the HG420 forums 2006 the strain is V3 (NLxG13/Widow)

Here is the grow specs taken from the grow thread:
3 x 600w air cooled hoods
the large 6″ Vortex fan is a two speed controled by a timer so it runs on slow speed when the lights are out. the smaller 4″ fan blows through the Cool shades which now vent out into the growroom.
my nutrient concentrations are,

so here is my rule of thumb:

Seedlings 6 CF

Seed plants and veg growth 10 CF

Flower 12 CF

These concentrations are quite a bit lower than most of you run but it works for me!

Harvest 1661g = 58.7 Oz Dry

Hydroponic Flood and Drain / Ebb And Flow grow

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