Note: Closed Labour Day Monday 5th May | Gold Coast Superstore hours and more | Brisbane NOW OPEN at Browns Plains till 5.30 on Thursdays - click here for hours and details | More than 97% of Orders are dispatched within 4 working hours | See about us at the bottom of the page for more details.

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.

 

Filter Product
13 Products Found
Plant Guard 1L Green Planet

Plant Guard 1L Green Planet

Green Planet

  • Brisbane 3 in stock
  • Gold Coast 4 in stock

$60.00 AUD

$60.50AUD

or 4 payments of $15.00 with Info

1% OFF RRP $60.50
Apply Filters