How often should it be applied for tomatoes?

I use 2 scoops per gallon once a week -using the scoop included- Works great as a boost for growth.

Is this organic and how much does 8oz do?

This is not organic. It is recommended to use at a rate of 1 to 2 grams per gallon. So this means, depending on how strong a dose you go with, you should get between 113 to 227 gallons of ready to feed plant food.

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🌿 Feed your plants like a pro, watch them thrive like never before!

TRUSTED QUALITY - From Blue Planet Nutrients, a pro-grade brand since 2010
DEFICIENCY DEFENSE - Prevents blossom end rot & leaf curl for flawless growth
UNIVERSAL GARDEN ALLY - Perfect for hydroponic, soil, aeroponic & soil-less media setups
EFFORTLESS APPLICATION - Just dissolve per gallon & feed—simple soak option for coco coir too
POWER PACKED NUTRIENTS - Calcium, magnesium, iron & micro-nutrients fuel photosynthesis & nutrient transport

CalMag Pro Formula is a 16 oz concentrated supplement delivering essential calcium, magnesium, iron, and micro-nutrients to prevent common plant deficiencies such as blossom end rot and leaf curl. Compatible with all growing mediums including hydroponic, soil, and aeroponic, it supports vital plant functions like photosynthesis and nutrient transport. Easy to use and trusted by professionals since 2010, it ensures healthier, more vibrant plants across all garden types.

Reviews

H**8

Might be the best!

Water soluble, no sticky mess and absolutely works great. I may even try their other products based on this performance, good stuff.

24.05.2023

T**R

The CalMag SuperMan would use!!

Wish I could buy this locally because it's amazing and very gentle on the microbiology in soil. Fixed blossom end rot very quickly it's worth trying. I'm hooked and I should have bought 4 or 5 before they went up $5 on everything.*UPDATE 12/07 Been using for a few months now and I still endorse it even more a little goes a long way and no effect on living soil and microbes (small footprint).

5.10.2018

D**C

Easy to apply

Its always safe to just have some on hand. I just usually add it to the feed program. As always you can't go wrong with Blue Planet nutrients.

22.12.2023

D**N

Works wonders

I love this sh-t...

28.10.2018

M**N

Great Product

Plants absolutely love this stuff. Very easy to mix as well.

11.08.2021

L**D

Water Soluble

I usually use General Hydroponics products for my grow, but I wanted to try this to see if it made a difference. The results were equal or better.

11.02.2020

F**R

Finally...

Finally a powder calmag that works! Amazing stuff! Fixed my deficiencies in this one plant that was giving me trouble in just two feedings and you only use a tiny bit. This jar should last me a while. Good purchase.

10.07.2018

R**D

Works well

23.02.2022

CalMag Pro Formula (2 LB) Blue Planet Nutrients | Soluble Calcium Magnesium & Micro-Nutrient Supplement | Corrects & Prevents Nutrient Deficiencies in Plants | for All Plants & Gardens

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