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- Stock concentrate powder for fertilizer injectors
- 2 part concentrated nutrient formula for use with proportionate mixers
- 100 lbs of DOS will treat 12000 gallons of water

The concentrate containers will be mixed as follows:
Part A: 360 grams/gallon
Part B: 240 grams/gallon

You can adjust part A from the highest recommended dose down in order to control the feed strength and balance out the consumption. The concentrate can sit 2+ weeks if covered and not introduced to light. DOS is very stable when insulated against air drafts and kept in the dark.

-pH will be 5.2 with 0 PPM/EC start water
-Recommended pH: Coco (5.9-6.0) Hydro (5.4-5.8)
-Fine in peat moss with a water hardness of + 0.5 EC