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True collectors piece
hardening of exoskeletons of sponges
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a lab tech reviews each test and includes recommendations tailored to each tank
Magnesium Adjustment Supplement torch True collectors pieceThis blend of magnesium is specifically designed for increasing one's magnesium concentration. This supplement contains only magnesium, and is blended to match the balance of chlorides to sulfates found in natural sea water. To calculate your dosage: d = 0. 141152 x M x V Where M is the desired increase in ppm, and V is the water volume of your aquarium in gallons.
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