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In full strength seawater (salinity = 35 ppt)
Broad-spectrum antibiotic
Liverworts (Riccardia
clear and healthy aquarium
denitrification
UNS Controsand 3L - Tahoe - Gravel Connected In full strength seawater (salinityUltum Nature Systems Controsand is a natural substrate for the planted aquarium. It will not alter water parameters and can be used in various applications. Rinsing is recommended before use to remove finer grains. Bora is a fine natural sand containing a mixture of lighter tones that is perfect for highlighting vibrant aquatic plants, tropical livestock and darker layout materials. Bora is ideal for a wide variety of popular aquascaping styles.