There are four different types of water:
SOFT WATER
EC: below 0.4
Lack of Calcium and Magnesium
NORMAL WATER
EC: between 0.4 & 0.5
Right amount of Calcium and Magnesium
HARD WATER
EC: 0.5 or higher
Excessive amount of Calcium and Magnesium
BAD WATER
EC: 0.5 or higher
Excessive amount of Sodium and Chloride
SOFT WATER
With CANNA CALMAG AGENT you can raise your EC level to 0.4.
NORMAL WATER
Normal water contains the right amount of calcium, magnesium and bicarbonate for a stable pH. All CANNA products are designed to work best with this type of water.
No need to use CANNA CALMAG AGENT.
HARD WATER
The best way to treat this kind of water is to use a reverse osmosis filter and then mix your hard water with the R.O. water, until you reach an EC level of 0.4.
Or, more easily, you can use 100% R.O. water and use CANNA CALMAG AGENT to raise your EC level to 0.4.
BAD WATER
Sodium and chloride block the uptake of nutrients and can even become toxic to your plants. With a reverse osmosis filter, you can remove both these elements. But making a mixture of R.O. water and bad water will not bring in enough calcium and magnesium, only bicarbonate to stabilize the pH.
Make a mixture of R.O water with the bad water until you reach an EC of 0.2 and then add CANNA CALMAG AGENT to this water until you reach an EC level of 0.4, or use 100% R.O. water in combination with CANNA CALMAG AGENT until you reach EC level 0.4.