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Red Sea · Supplementation
4-Part Complete Reef Care Dosing System
Red Sea's 4-Part Complete Reef Care is a reef dosing system supplying 36 major, minor, and trace elements consumed by corals, with dosing guided by a single weekly calcium test; Bottle 1 doses calcium, Bottle 2 doses 2x volume for alkalinity, and Bottles 3 and 4 dose half volume for iodine/potassium and iron/bioactive elements. It pairs with the ReefDose 4 pump, which auto-scales all four doses from Bottle 1 in the ReefBeat app, and comes in Small (up to 40 gal), Medium (up to 80 gal), and Large (160+ gal) sizes.
Price: $189.99 USD
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