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Stock tank + concentrate mixing

Separate A and B stocks, final volume and the 1:128 doser setting.

1:128 doser setting0.8% injection rate · 30 mL of each concentrate per gallon of water

EC readings may be higher in tap and well water. Keep A and B separate and use them at equal rates.

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How to prepare separate CropSalt A and B stock solutions for a 1:128 injector or doser, and the settings to run them at.

01  /  weigh A and B separately

Use the recipe below for each gallon of finished concentrate. For 5–250 gallons, see the Stock tank recipes.

Veg AVeg BBloom ABloom BCake
590 g400 g653 g333 g384 g
  1. Start with 70% water. Fill separate containers 70% full with water. Add Part A to A and Part B to B. Mix each well.
  2. Fill to final volume. Finish filling each container with water. Mix well and allow the powders to fully dissolve. Salt + water = total volume.
  • 1:128Injection ratio · 0.8% doser setting
  • 30 mLPer gallon · Each concentrate used
  • 2.1–2.5EC · 1050–1250 ppm (500 scale)
    1470–1750 ppm (700 scale)

EC readings may be higher in tap and well water.

Two injectors, equal rates

Use two D14MZ2 injectors — one for A, one for B — both set to 1:128 (0.8%). A and B always run at the same rate, so when you change EC, adjust both injectors equally. During the Cake finish, run Cake through one injector and turn the other off.

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