API Marine Magnesium 473ml Supplements & Treatments NITRA-ZORB is a ready-to-use filter

NITRA-ZORB is a ready-to-use filter media pouch that can be added to your filter to remove ammonia

oxidation and precipitation

Nothing gives your tank a feeding boost like Energy+

TT-G1 is formulated to ensure that it does not cloud water and reduces undesirable smell in the water

API Marine Magnesium 473ml Supplements & Treatments NITRA-ZORB is a ready-to-use filterAPI MARINE MAGNESIUM raises and restores magnesium levels in your reef aquarium, and should be used whenever magnesium deficiency is present in your water. Use API MARINE MAGNESIUM when water tests show a magnesium level below 1,250 ppm mg L in your reef aquarium. Raises magnesium levels Helps maintain a thriving reef aquarium Dual form of magnesium Dosage: Shake well. Add 5 ml. per 10 gallons of aquarium water.