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Best place to buy CalMag online in the USA?

woolybear

Well-known member
Veteran
I'm running low on CalMag, and the local place I bought it from closed. I'm in the northern part of the USA.

No doubt I could find it somewhere else locally, but it'd probably be a 60 minute drive in crappy weather.

Anybody have any favorite online calmag vendors? I'd rather not use Amazon.

Thanks ICMAG
 

zachrockbadenof

Well-known member
Veteran
amazon is where we shop- place the order today, tomm (or the next day), its at the front door- what could be easier???
 

woolybear

Well-known member
Veteran
Did some research. On amazon, Bloom City Professional Grade Ultra Pure Cal-Mag 1 gallon is $40.

On the manufacturer's website, https://www.bloom.city/, that same gallon is $35, plus free shipping, and 20% off via coupon code BLOOM20, $28 pretax.
 

TrainingHay

Member
20231227_102324.jpg


 
one can also buy magnesium nitrate and calcium nitrate in "pure" form
1703961629685.png

it's cheap and allow to mix your own Ca/Mg ratios with a quick calculation
calcium nitrate 6 euro per kilo where I am
and magnesium nitrate hexahydrate, 10 euros
 

OleReynard

Well-known member
I'm running low on CalMag, and the local place I bought it from closed. I'm in the northern part of the USA.

No doubt I could find it somewhere else locally, but it'd probably be a 60 minute drive in crappy weather.

Anybody have any favorite online calmag vendors? I'd rather not use Amazon.

Thanks ICMAG
Amazon Pure Blend CalMag plus
 

Old Uncle Ben

Well-known member
Did some research. On amazon, Bloom City Professional Grade Ultra Pure Cal-Mag 1 gallon is $40.

On the manufacturer's website, https://www.bloom.city/, that same gallon is $35, plus free shipping, and 20% off via coupon code BLOOM20, $28 pretax.
What a rip. Why do you think you need Cal Mag in the first place?

"Ultra Pure", ya gotta laugh at this industry.
 

woolybear

Well-known member
Veteran
@Old Uncle Ben I use coco as a growing medium. Are you saying I don't need to supplement calcium and magnesium?

I didn't really notice the 'ultra pure' as I go by cost. I don't really get riled up by marketing fluff, but I guess that makes you Old Uncle Ben? I try to avoid the 'everything is shit' mentality

Anywhose my plants with textbook calmag def are really curious as to 'Why do you think you need Cal Mag in the first place?'
 
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