Calcium Magnesium Supplement boosters

Do I need a Calcium Magnesium Supplement?

Your plants will tell you if they are in need of it.
If you are using a good nutrient and good water and fresh quality coco, there should not be any need for Cal-Mag.  
Some strains of plant will need it despite everyone's best nutrient designs...

A lot of growers using Coco Coir growing media will need a supplement.
particularly if

  1. you use a cheap coco which isn't buffered sufficiently or designed for Hydroponics
  2. you are reusing your coco so the buffering is no longer in the media

See https://www.canna.com.au/info-courier_calcium and https://www.canna.com.au/info-courier_magnesium for an in-depth look at these deficiencies.

What Cal-Mag supplement should I use?

We recommend Grow research Calcium Magnesium supplement as it is easiest to use at 1ml per litre.
However most brands will be sufficient for your needs.

 



Cal-Mag 1l Grow Research Calcium Magnesium Booster 1Litre

Cal-Mag 1l Grow Research Calcium Magnesium Booster

 

Cal-Mag 250ml Grow Research Calcium Magnesium Booster 250ml

Cal-Mag 250ml Grow Research Calcium Magnesium Boos

 

Calmag Agent - Canna Calcium Magnesium Additive 1Litre

Calmag Agent - Canna Calcium Magnesium Additive 1L

 

Calmag Agent - Canna Calcium Magnesium Additive 5Litre

Calmag Agent - Canna Calcium Magnesium Additive 5L

 

Flairform CMX 5L Calcium Magnesium and iron additive c2

Flairform CMX 5L Calcium Magnesium and iron additi

 

3% OFF RRP $145.00
Marine 5Ltr Calcium Magnesium Plus Bio Diesel

Marine 5Ltr Calcium Magnesium Plus Bio Diesel

 

Cal-Mag 5l Grow Research Calcium Magnesium Booster

Cal-Mag 5l Grow Research Calcium Magnesium Booster

Usually sent in a 1+ days   Details

Usually sent within 1 day
Flairform CMX 1Litre Calcium Magnesium and iron additive

Flairform CMX 1Litre Calcium Magnesium and iron ad

Usually sent in a 1+ days   Details

Usually in stock and dispatches same day - If backordered it is likely on its way back into stock and will be dispatched in 1-4 days from ordering. Please let us know if a backorder is urgent and we can provide an ETA for you..