Description
A highly effective, reef-safe formula designed to prevent algae long-term by precisely managing nitrate and phosphate levels.
Features:
Controlled and safe reduction of nitrates and phosphates
Maintains your chosen nutrient targets consistently
Supports strong coral growth and vibrant coloration
Reef-safe with no unwanted side effects
Simple, dependable, and cost-efficient to use
Red Sea NO3:PO4-X is a specialized blend of carbon sources and organically bound elements that fuel a controlled biological reduction of nitrate and phosphate. It works by stimulating the natural nutrient-reducing bacteria already present in every marine aquarium.
The product is easy to dose—only small daily amounts are needed. Over time, the dosage is adjusted based on measured nutrient levels (as guided in the instructions), allowing precise nutrient control and smooth, gradual shifts toward your desired nitrate and phosphate range.
Whether the aquarium is new, previously untreated, or has used other nutrient-control methods, NO3:PO4-X will gradually bring nitrate and phosphate levels into balance.
When used correctly, it produces no harmful side effects and is safe for fish, corals, and beneficial microfauna. Even in the case of a significant accidental overdose, a properly sized protein skimmer will help prevent lasting harm.


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