What is the Cation Exchange Capacity (CEC) of your substrate? Sand for example only has a CEC of less than 0.9 meq/100 g.
Cation Exchange Capacity (CEC) is the ability of a material to absorb positively charged nutrient ions. This means the substrate will hold nutrients and make them available for the plant roots, and therefore, plant growth. CEC measures the amount of nutrients, more specifically, positivity changed ions, which a substrate can hold onto/store for future use by aquatic plants.
Cation Exchange Capacity (CEC) is the ability of a material to absorb positively charged nutrient ions. This means the substrate will hold nutrients and make them available for the plant roots, and therefore, plant growth. CEC measures the amount of nutrients, more specifically, positivity changed ions, which a substrate can hold onto/store for future use by aquatic plants.
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- AQUARIUM PLANTS
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