Canna Calmag Agent - Concentrate for buffering soft or RO water. Canna Calmag Agent has been developed to to increase the EC of soft water. If you live in a soft water area, or use RO water then this product is great for "hardening" your water to aid the growth of robust, healthy plants. How Canna Calmag Agent Works All Canna nutrients and other products are designed to work with 'normal' water with a Calcium+Magnesium background EC of between 0.4 and 0.7. Normal water contains calcium, magnesium (and bicarbonate) which stabilises the water pH and provides calcium and magnesium to your plants. Soft water and reverse osmosis water (with an EC of below 0.4) do not contain enough these vital secondary nutrients. Both magnesium and especially calcium have a lot of important roles in the metabolism, health and development of plants at all stages. If you use soft water, or reverse osmosis (RO) water then you need to balance the calcium and magnesium content back to normal levels before making up your nutrient solution with Canna nutrients. If this is not done then there is a high risk of deficiencies developing which will have a detrimental effect on plant health and final crop quality and size. If you are unlucky enough to have water with an EC above 0.8 then Canna recommend using a reverse osmosis unit to clean it and get it down to an EC of virtually zero. Canna Calmag agent can then be used to raise the EC back up again to 0.4
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