Red Sea Maintenance

Maintain crystal-clear water, healthy corals, and optimal parameters with the trusted Red Sea aquarium maintenance range. Whether you’re managing a thriving reef tank or a fish-only marine setup, Red Sea’s industry-leading products offer precision-tested solutions for dosing, water changes, and long-term stability. From accurate marine test kits to reef-safe additives, water conditioners, and cleaning tools, this collection delivers everything you need for professional-grade saltwater aquarium care.

Maintain crystal-clear water, healthy corals, and optimal parameters with the trusted Red Sea aquarium maintenance range. Whether you’re managing a thriving reef tank or a fish-only marine setup, Red Sea’s industry-leading products offer precision-tested solutions for dosing, water changes, and long-term stability. From accurate marine test kits to reef-safe additives, water conditioners, and cleaning tools, this collection delivers everything you need for professional-grade saltwater aquarium care.

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 Have questions about Red Sea Maintenance? Checkout out our FAQ!

How to Use Red Sea Test Kits for Accurate Reef Aquarium Water Testing

Maintaining pristine water quality is essential for the health of any reef aquarium. Corals, invertebrates, and fish all depend on stable, balanced water parameters to thrive. That’s where Red Sea ... read more
Maintaining pristine water quality is essential for the health of any reef aquarium. Corals, invertebrates, and fish all depend on stable, balanced water parameters to thrive. That’s where Red Sea test kits come in. Known for their precision and ease of use, Red Sea’s Marine Care and Reef Foundation Pro test kits are trusted by reef keepers around the world. read less

Top 5 Red Sea Products Every Reef Keeper Should Use for Maintenance

Maintaining a thriving reef tank takes more than just clean water and strong lighting—it requires precision, consistency, and the right tools. That’s why thousands of reef aquarists trust Red Sea f... read more
Maintaining a thriving reef tank takes more than just clean water and strong lighting—it requires precision, consistency, and the right tools. That’s why thousands of reef aquarists trust Red Sea for high-quality maintenance products tailored to marine systems. From beginner hobbyists to seasoned SPS keepers, Red Sea’s line of test kits, supplements, and treatments are known for accuracy, ease of use, and reef safety. read less

How to Reduce Nitrates and Phosphates in Your Reef Tank with Red Sea

High levels of nitrates (NO₃) and phosphates (PO₄) can quickly lead to algae overgrowth, coral stress, and water quality issues in a reef aquarium. While both nutrients are naturally produced by li... read more
High levels of nitrates (NO₃) and phosphates (PO₄) can quickly lead to algae overgrowth, coral stress, and water quality issues in a reef aquarium. While both nutrients are naturally produced by livestock waste, uneaten food, and organic matter breakdown, keeping them under control is crucial for a healthy, vibrant tank. read less

How to Use Red Sea Test Kits for Accurate Reef Aquarium Water Testing

Maintaining pristine water quality is essential for the health of any reef aquarium. Corals, invertebrates, and fish all depend on stable, balanced water parameters to thrive. That’s where Red Sea ... read more
Maintaining pristine water quality is essential for the health of any reef aquarium. Corals, invertebrates, and fish all depend on stable, balanced water parameters to thrive. That’s where Red Sea test kits come in. Known for their precision and ease of use, Red Sea’s Marine Care and Reef Foundation Pro test kits are trusted by reef keepers around the world. read less

Top 5 Red Sea Products Every Reef Keeper Should Use for Maintenance

Maintaining a thriving reef tank takes more than just clean water and strong lighting—it requires precision, consistency, and the right tools. That’s why thousands of reef aquarists trust Red Sea f... read more
Maintaining a thriving reef tank takes more than just clean water and strong lighting—it requires precision, consistency, and the right tools. That’s why thousands of reef aquarists trust Red Sea for high-quality maintenance products tailored to marine systems. From beginner hobbyists to seasoned SPS keepers, Red Sea’s line of test kits, supplements, and treatments are known for accuracy, ease of use, and reef safety. read less

How to Reduce Nitrates and Phosphates in Your Reef Tank with Red Sea

High levels of nitrates (NO₃) and phosphates (PO₄) can quickly lead to algae overgrowth, coral stress, and water quality issues in a reef aquarium. While both nutrients are naturally produced by li... read more
High levels of nitrates (NO₃) and phosphates (PO₄) can quickly lead to algae overgrowth, coral stress, and water quality issues in a reef aquarium. While both nutrients are naturally produced by livestock waste, uneaten food, and organic matter breakdown, keeping them under control is crucial for a healthy, vibrant tank. read less

Have Questions About Red Sea Maintenance?
We Have Answers.

Get quick answers to common questions about Red Sea Maintenance

What are Red Sea maintenance products used for?

Red Sea’s maintenance products are designed to support the ongoing care of saltwater and reef aquariums. They include accurate test kits, water conditioners, dosing supplements, trace elements, and cleaning solutions—all developed to help maintain ideal water chemistry and promote coral health in marine environments.

Are Red Sea test kits accurate for reef aquariums?

Yes, Red Sea test kits are widely trusted by reef aquarists for their accuracy and ease of use. The Marine Care and Reef Foundation Pro kits provide reliable readings for key parameters such as calcium, magnesium, alkalinity (KH), nitrate, phosphate, and pH—making them ideal for both beginner and advanced reef keepers.

Can I use Red Sea maintenance products with other brands?

While Red Sea products are optimized for use with Red Sea aquariums and reef systems, they are also compatible with other saltwater tanks. You can safely use Red Sea additives, conditioners, and test kits alongside other reputable brands, but it’s important to avoid dosing duplicate supplements to prevent overdosing.

How often should I use Red Sea test kits and additives?

Testing frequency depends on your tank type and livestock. In most reef tanks, it’s recommended to test alkalinity, calcium, and magnesium at least 1–2 times per week, and dose additives accordingly. Red Sea provides dosing guidelines that are based on test results to ensure safe and accurate supplementation over time.

What’s the difference between the Red Sea Reef Foundation A, B, and C?

Red Sea Reef Foundation A, B, and C are part of a balanced supplement system: • Reef Foundation A contains calcium and strontium • Reef Foundation B delivers bicarbonates (alkalinity) • Reef Foundation C supplies magnesium Together, they support coral calcification and help maintain balanced reef chemistry, especially in SPS- and LPS-dominated systems.

Are Red Sea maintenance products reef-safe?

Yes, all products in the Red Sea maintenance line are reef-safe and formulated specifically for marine aquariums. They are used by hobbyists and professional aquaculture facilities around the world to maintain optimal conditions for corals, invertebrates, and fish.

Keep Your Reef Tank Thriving with Red Sea Maintenance Essentials

Red Sea’s premium line of maintenance products is trusted by marine aquarists around the world for good reason. From precision test kits that help you track vital parameters to expertly formulated supplements that support coral growth, every item is crafted to simplify saltwater aquarium care. Whether you’re maintaining a nano reef, a mixed coral display, or a full SPS system, the Red Sea range ensures your tank stays healthy, balanced, and thriving long term.

At Charterhouse Aquatics, we offer the full selection of Red Sea maintenance solutions, backed by fast UK shipping and expert advice. Explore everything you need for daily upkeep, water changes, and stable reef chemistry—all in one place.