MasterBlend has been the go-to cannabis Fertilizer for a long time. ...
It's unique composition, it is recommended to use the 4-18-38 together with Magnesium Sulfate (Epsom Salt) and Calcium Nitrate for the ultimate balanced water soluble fertilizer.It's Easy to use,
Inexpensive, and easy to use. How to use;
For early flowering (week 3) per 5 gallons
8g magnesium sulfate
2g calcium nitrate
8g MasterBlend 4-18-38
1/2 Hammer head
Mid flowering weeks 4-6 per 5 gallons
10g magnesium sulfate
1g Calcium Nitrate
10g MasterBlend 4-18-38
Full Hammer head
Week before flush
5g magnesium sulfate
5g Masterblend 4-18-38
1/2 Hammer head for one week
Then flush for a week or so or until ppms come out under 200
