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nightmarecreature
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I decided to make my own Cal/Mag recipe. Most of the Cal/Mag recipes that I see are improper. They use magnesium sulfate, which is ok to use in soil, but is not ok to use in hydro or coco. Magnesium Sulfate and Calcium Nitrate precipitate and do not mix. What you want is Magnesium Nitrate and Calcium Nitrate. I still have bottles of Botanicare Cal/Mag and it's good stuff but this recipe allows you to make 3X the amount for the same price. This recipe is very similar to Botanicare's Cal/Mag.
Nightmare's Cal/Mag mix!
20lbs (Calcium Nitrate)
10lbs (Magnesium Nitrate)
Iron EDTA ebay 4 ounces $8
Magnesium Nitrate 10 pounds $30 (Shipping Included) Makes 2270 Gallons
Calcium Nitrate 20lbs $42 (Shipping included) Makes 2270 Gallons
Total $80 Shipped 2270 gallons!
Add in this order:
2 grams per gallon of Magnesium Nitrate
4 grams per gallon of Calcium Nitrate
0.145 gram per gallon of Iron EDTA
Nightmare's Cal/Mag mix!
Nitrogen 222ppm
Magnesium 50ppm
Calcium 200pmm
Iron EDTA 5ppm
Botanicare Cal/Mag @ 5ml per gallon
Averaged Nitrogen 205ppm
Averaged Magnesium 60ppm
Averaged Calcium 220ppm
Averaged Iron EDTA 4.5ppm
Nightmare's Cal/Mag mix!
20lbs (Calcium Nitrate)
10lbs (Magnesium Nitrate)
Iron EDTA ebay 4 ounces $8
Magnesium Nitrate 10 pounds $30 (Shipping Included) Makes 2270 Gallons
Calcium Nitrate 20lbs $42 (Shipping included) Makes 2270 Gallons
Total $80 Shipped 2270 gallons!
Add in this order:
2 grams per gallon of Magnesium Nitrate
4 grams per gallon of Calcium Nitrate
0.145 gram per gallon of Iron EDTA
Nightmare's Cal/Mag mix!
Nitrogen 222ppm
Magnesium 50ppm
Calcium 200pmm
Iron EDTA 5ppm
Botanicare Cal/Mag @ 5ml per gallon
Averaged Nitrogen 205ppm
Averaged Magnesium 60ppm
Averaged Calcium 220ppm
Averaged Iron EDTA 4.5ppm
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