Red Sea
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Red Sea NO3:PO4-X Nitrate Phosphate Reducer — 500 mL / 1 L / 5 L
Red Sea NO3:PO4-X Nitrate Phosphate Reducer — 500 mL / 1 L / 5 L
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Red Sea NO3:PO4-X Nitrate Phosphate Reducer — 500 mL / 1 L / 5 L
Red Sea NO3:PO4-X Nitrate Phosphate Reducer — 500 mL / 1 L / 5 L
Helps your corals achieve the best health, vivid, electric coloration and rapid growth.
Red Sea NO3:PO4-X Nitrate Phosphate Reducer — 500 mL / 1 L / 5 L
Item #: 64513867

Red Sea NO3:PO4-X Nitrate Phosphate Reducer — 500 mL / 1 L / 5 L

Item #: 64513867
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Helps your corals achieve the best health, vivid, electric coloration and rapid growth.
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What Stands Out

Biological Formula
Utilizes a natural biological process to effectively reduce nitrate and phosphate levels, promoting a healthier aquarium environment while minimizing harmful compounds.
Easy to Use
Comes in a ready-to-use liquid form, simplifying the nitrate and phosphate reduction process for aquarists of all experience levels, reducing maintenance efforts.
Quality Assurance
Manufactured by Red Sea, a trusted brand in aquarium products, ensuring high-quality standards and exceptional performance for pristine water conditions.

Product Details

Shop for Red Sea NO3:PO4-X Nitrate and Phosphate Reducer online at Ubuy Australia. Achieve optimal water conditions for your saltwater aquarium with this effective solution.
  • 1 liter of Red Sea NO3:PO4-X Nitrate and Phosphate Reducer
  • Feeds nitrate and phosphate reducing bacteria to control algae growth
  • Preserves beneficial zooxanthellae algae for coral health
  • Promotes vivid coloration and rapid growth in corals
  • Part of Red Sea's Reef Care Program including Algae Management, Reef Colors, Reef Foundations, and Reef Energy
  • Designed for saltwater conditions; California Proposition 65 warning required
Aquarium water treatment typeAquarium Water Treatment
BrandRed Sea
SizeSingle
Pack quantity1
Animal typeAll Pets
FeaturesBiological
Product net content parent1 Each
Product net content uomEach
Item Weight2.2 lbs (1 kg)

Who Should Buy?

Suitable For
  • Aquarium Enthusiasts

    Perfect for aquarists looking to reduce nitrates and phosphates in their marine and reef tanks effectively.

  • Reef Tank Owners

    Ideal for those maintaining sensitive coral species requiring low nutrient levels for optimal growth and health.

  • Fish Keepers

    Beneficial for fish keepers needing to manage algae growth and maintain clean water environments for their aquatic pets.

Not Suitable For
  • Freshwater Tanks

    Not suitable for freshwater aquarium setups as the product is specifically designed for marine environments.

Product Description

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Customer Questions & Answers

  • Question: Is the Red Sea NO3:PO4-X safe for all types of marine aquariums?

    Answer: Yes, it is safe for use in all reef or marine fish systems.
  • Question: How frequently should I dose NO3:PO4-X?

    Answer: It is formulated for daily dosing, ideally combined with weekly measurements of nitrate and phosphate to ensure gradual changes and fine control of algae nutrients.
  • Question: Will NO3:PO4-X harm beneficial zooxanthellae algae?

    Answer: No, controlling nitrate and phosphate with NO3:PO4-X actually preserves the beneficial zooxanthellae algae, helping corals achieve healthy growth.

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4/5 294 reviews
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Chris
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“Promt delivery. Seems like a good product.”

22 July 2026 · via Trustpilot
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Scott
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“It was the best service ever received by any company from my online shopping experience in the last 10yrs”

11 July 2026 · via Trustpilot
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Terri
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“so easy to order delivery was way earlier than i expected”

3 July 2026 · via Trustpilot
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Gavin
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“Very impressed with the speed at which I received my package from the United States to Australia. Highly recommended.”

21-Jul-26 · via Trustpilot
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Jeannie
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“Very efficient service. Hassle-free. Excellent product. Have ordered several times.”

17-Jul-26 · via Trustpilot
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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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Features & Benefits

  • Complete, reef-safe, controllable solution for nitrate and phosphate reduction
  • Boosts coral growth and coloration in any reef or marine fish system
  • Biologically reduces both nitrate and phosphate
  • Enhances activity of nutrient reducing bacteria
  • Formulated for easy daily dosing and fine control of algae nutrients
  • Part of the Reef Care Program for the healthiest corals

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