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AdditiveFeeding Calcium bag

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The AdditiveFeeding Calcium bag by Green House is provided as an additive in situations in which the amount of calcium present in the water is below the recommended levels.

Very soluble, easy to use and quickly assimilated. It is Chelated Calcium - EDTA is a stable product that does not interact with other elements. Strengthens cell membrane and cell walls to protect from pests and insect attacks.

It is in a powder form which is very soluble in water. Ca2+ ion is protected by EDTA, enhances nutrient transportation, accelerates cell division and root extension. It does not contain Chlorine and is compatible with all kinds of fertilizers. It is perfect to solve a lack of Calcium.

When added to water make sure to start mixing immediately.

Because these kinds of water don’t have the necessary amount of either Calcium or Magnesium, it is necessary to use Calcium additive when used with any Powder Feeding products.For your convenience Magnesium is included in Powder Feeding. Also remember that most tap water already has enough Calcium.


  • Young plants - 0.3g/L
  • Growth - 0.8 - 1.0g/L
  • Flowering - 1.0g/L
  • Last 3 weeks - 1.5g/L

These doses are for customers that are using RO water or rainwater with an EC: 0.0. If you are using tap water we recommend to test the hardness.

Productcode Productname
13594 500 g
13595 1 kg

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