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As the resin becomes depleted it will change from a purple to amber letting you know at a glance when it is depleted
Excess carbon dioxide will deplete DI resin quickly
allowing the pump to draw water out down to a depth of just 2mm
000 Kelvin
Aquarium Size: Up to 200 gallons
1 Year Alert pH & Ammonia Combo Calcium Additive As the resin becomes depletedThe One Year Alert Combo pack combines a year supply of Ammonia Alert (1 card) and pH Alert (1 card and 1 replacement sensor). Ammonia Alert and pH Alert are almost half the size of competing products. At 1. 5" x 2. 5", they are small, clear, and unobtrusive, so they won't detract from the view of your aquarium. Simply place Ammonia Alert and pH Alert visibly anywhere in the aquarium or filter. Its that easy. No chemicals or test procedures are
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