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Velda Growth Balls are an efficient solution for nutrient supply in aquatic plant care
Compatibility: TetraTec External Canister Filter
avoid thick coats
The Red Sea 100 Micron Filter Bag offers aquarists a practical solution for achieving pristine water conditions in their tanks
Includes essential vitamins A
Red Sea Foundation Supplements - Complete Pack | R22006 compact Velda Growth Balls are anRed Seas Foundation Supplements Complete Pack contains all of the essential foundation elements required in order for corals to thrive within the reef aquarium. Unlike the natural reef where there is an immense reservoir of foundation elements, in an aquarium these elements are constantly depleted due to coral growth and other biological activities. Therefore, calcium, carbonates (alkalinity) and magnesium require regular testing and supplementing.