Description
Reef-Safe Nitrate & Phosphate Control for Healthy Coral Growth
Red Sea NO3:PO4-X is a highly effective, reef-safe solution designed for the long-term prevention of algae through precise control of nitrate (NO₃⁻) and phosphate (PO₄³⁻) levels. Ideal for both new and established aquariums, it promotes coral growth and coloration while maintaining stable water chemistry.
Key Features & Benefits
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Controlled Nutrient Reduction
Reduces nitrates and phosphates safely and reliably using naturally occurring nutrient-reducing bacteria. -
Maintains Desired Levels
Enables fine control of nitrate and phosphate levels for consistent, long-term stability. -
Reef-Safe Formula
Safe for all fish, corals, and microfauna. No undesirable side effects when used correctly. -
Promotes Coral Health
Supports vibrant coral colors and accelerated growth by reducing excess nutrients that fuel algae. -
Easy & Cost-Effective
Simple daily dosing, with adjustments based on measured nutrient levels, ensures efficient and gradual changes without shocking the system.
How It Works
NO3:PO4-X contains a unique complex of carbon molecules and organic-bonded elements that foster the activity of nutrient-reducing bacteria already present in the aquarium. These bacteria biologically remove nitrate and phosphate, keeping nutrient levels at optimal levels for coral growth while preventing algae proliferation.
Daily dosing is small and gradual, allowing controlled adjustment of nutrient levels. Whether starting in a new tank, an untreated established tank, or one previously treated with alternative methods, nutrient levels will stabilize over time with consistent use.
Even accidental overdoses are unlikely to cause irreversible harm, provided a properly rated protein skimmer is installed.
Usage Notes
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Suitable for all saltwater aquariums, including fish-only and reef setups.
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Works best in conjunction with Red Sea Nitrate & Phosphate Test Kits (NO3 and PO4 Pro) for precise monitoring.
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Gradual adjustments ensure a smooth transition to desired nutrient levels.


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