Size:16 Expel is a revolutionary coral cleanse. Expel will flush your corals of those unwanted pests. Expel is 100% reef safe for all marine animals including the most sensitive SPS Corals, LPS Corals, Soft Corals, Clams, etc. Expel Instructions - ​ Shake bottle well before each use. Remove coral from aquarium and place in a separate dipping container with clean saltwater from aquarium. Add 3ml Expel per 2 quarts (0.5 gallons) of aquarium water in dipping container. Dip coral for 5-10 minutes. Gently shake coral in the coral cleanse to dislodge pests. Rinse coral in clean saltwater and return back to aquarium.
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