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.

Fox Farm BushDoctor Cal-Mag (1 Pint)

Product ID: 337746477

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Details

Brand
Fox Farm
Item form
Liquid
Item weight
454 g
Liquid volume
1 Pints
Specific uses for product
Fruit Trees

🌱OMRI Listed Organic

🍎Prevents blossom end rot & tip burn

🧪3% Calcium, 0.9% Magnesium

Description

🌿 Grow Strong, Grow Organic – Don’t Let Deficiencies Hold You Back!

ORGANIC CERTIFIED - OMRI Listed and CDFA Registered for trusted organic gardening
TRUSTED BY THOUSANDS - 4.7-star rating from over 2,000 satisfied gardeners
LIQUID POWER FOR EASY FEEDING - Convenient 1-pint liquid form ensures quick absorption
SAY GOODBYE TO BLOSSOM END ROT - Targeted formula prevents costly fruit and leaf damage
STRENGTHEN YOUR PLANTS CORE - Calcium and magnesium fortify cell walls for robust growth

Fox Farm BushDoctor Cal-Mag is a premium liquid supplement delivering 3% calcium and 0.9% magnesium to strengthen plant cell walls and prevent common issues like blossom end rot and tip burn. OMRI Listed and CDFA Registered, it’s ideal for organic fruit trees and shrubs, ensuring healthier, more resilient plants with easy application. Highly rated by thousands of gardeners, this 1-pint formula is your go-to for vibrant, damage-free growth.

Specifications

ASIN	B08SJ6VF5V
Best Sellers Rank	#42,969 in Health ( See Top 100 in Health ) #1,041 in Mineral Supplements
Brand	Fox Farm
Brand Name	Fox Farm
Coverage	Low
Customer Reviews	4.7 out of 5 stars 2,033 Reviews
Global Trade Identification Number	00752289520075
Included Components	1 - 16 oz. Bottle
Item Form	Liquid
Item Type Name	Cal-Mag
Item Weight	454 g
Item form	Liquid
Item weight	454 g
Liquid Volume	1 Pints
Liquid volume	1 Pints
Manufacturer	FoxFarm
Mixing Ratio	1:0:0
Model Number	Fox Farm - 175-52007 - 1 Pint
Specific Uses For Product	Fruit Trees and Shrubs
Specific uses for product	Fruit Trees and Shrubs
Target Species	plants
UPC	752289520075
Unit Count	16 Milliliters

Reviews

M**.

WONDERFUL!

17.08.2025

R**Z

This stuff works

27.10.2025

S**K

For plants

2.01.2026

A**R

Great product

10.01.2026

B**N

Good cal mag even better price

20.08.2025

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