Address nutrient deficiencies in cannabis cultivation with the most cutting-edge Cal-Mag system. Sensi Cal Mag Xtra® offers an extensive selection of calcium, magnesium, iron, and vitamins, ensuring accurate diagnosis and restoring your garden to a vibrant and lush green state.
Enhance nutrient absorption with chelated calcium and magnesium. Prevent common nutrient lockout with chelated iron, providing optimal conditions. Optimize plant performance with kelp, supplying essential vitamins and amino acids. Boost yields with chelated manganese and zinc, promoting robust growth.
For correcting deficiencies, use 2 mL per Liter of nutrient solution. Repeat after 1 week if needed.
As part of a regular feeding program, apply 2 mL per Liter. Repeat after 1 week.
Be The First To Review This Product!
Help other Hydrocentre Hydroponics users shop smarter by writing reviews for products you have purchased.
Backorders are products that are on their way to us from suppliers.
Backorders will be dispatched to you as soon as they arrive - usually in 1-7 days
If you want to contact us we can let you know the delay.
We will send you an ETA as soon as we can, and you can cancel the backorder and get a full refund if you want to.
Do you wish to proceed knowing there will be a delay of around 1-7 days?
(If you have urgent items as well as Backorder items, please send as two separate orders so the urgent items go out immediately.)
You’ve just added a Pick-Up only Item to your cart!
The item you have added to your cart was a Pick-Up only item and will make your order a Pick-Up order if you choose to continue.
To reverse this, press close and the item will not be added to your cart.
Shop Now. Pay Later. Always interest-free.
Add your favourites to cart
Select Afterpay at checkout
Log into or create your Afterpay account, with instant approval decision
Your purchase will be split into 4 payments, payable every 2 weeks
All you need to apply is to have a debit or credit card, to be over 18 years of age, and to be a resident of country offering Afterpay
Late fees and additional eligibility criteria apply. The first payment may be due at the time of purchase
For complete terms visit afterpay.com/terms