Can you use thiss on marijuana plants?

yes, this is a great nute for cannabis.

How long will this keep after mixing?

Don’t do this. Add nutes to distilled h2o right before watering, and do not keep the extra. Pour it on a houseplant or a bush outside, they aren’t pre-mixed for a reason.

Is this a foliar spray or use as a root drench?

Root drench. Shake well before use. Mix 1 tsp (5 mL) per gallon (4 L) of water. Begin use just before bud development. Continue use as needed, not more than once per week. Maintain a pH range of 5.6 – 6.8. A pH outside this range can impact the availability of calcium and magnesium.

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🌿 Grow Strong, Grow Smart — The Organic Cal-Mag Powerhouse

BOOST FRUIT DEVELOPMENT - Enhance yield quality with essential nutrients for vibrant growth.
PRECISION LIQUID FORMULA - Easy-to-apply 16 oz liquid ensures even nutrient distribution.
AVOID COSTLY DEFICIENCIES - Prevent frustrating growth issues with a balanced Cal-Mag supplement.
STRENGTHEN EVERY CELL WALL - Calcium and magnesium fortify plant structure to prevent rot and burn.
CERTIFIED ORGANIC CONFIDENCE - OMRI Listed and CDFA Registered for trusted organic gardening.

FoxFarm FX17010 Bush Doctor Cal-Mag is a 16 fl oz liquid supplement delivering 3% calcium and 0.9% magnesium to strengthen plant cell walls and boost fruit development. OMRI Listed and CDFA Registered, it’s designed for organic gardening to prevent nutrient deficiencies that cause rot and burn, ensuring healthier, more productive plants.

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Brand	FoxFarm
Item Weight	1 Pounds
Item Form	Liquid
Liquid Volume	16 Fluid Ounces
Specific Uses For Product	Gardening
Global Trade Identification Number	00752289520075
Manufacturer	FoxFarm
Number of Items	1
UPC	752289520075
Net Quantity	1.0 count
Model number	FX17010
Item Weight	454 g
Product Dimensions	6.35 x 6.35 x 20.32 cm; 453.59 g
Item model number	FX17010
Item Height	8 Inches
Item Width	2.5 Inches
Power Source	Not applicable.
Included Components	28.3 to 474 g bottle
Are batteries included?	No

FoxFarm FX17010 Bush Doctor, 1 pt Cal-Mag

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