1. Home Page
    2. /
  2. Red sea
https://www.ubuy.st/deals/black-friday-deal-offers-sale

Delivery

Delivery time may vary depending on store and country. To learn more about Shipping Policy

Price Range

STD
-

Shop Red sea Products Online in São Tomé and Príncipe

Sort by
|
Red Sea Reef Energy Plus 1000ml AB+ All in One Coral Food for Saltwater Aquarium Marine Reef Tanks | Food for Soft, LPS, SPS, and Non-Photosynthetic Corals
US Store
Red Sea

Red Sea Reef Energy Plus 1000ml AB+ All in One Coral Food for Saltwater Aquarium ...
4.7

400+ bought

STD 1605475

Red Sea Reef Energy Plus 500ml AB+ All in One Coral Food for Saltwater Aquarium Marine Reef Tanks | Food for Soft, LPS, SPS, and Non-Photosynthetic Corals
US Store
Red Sea

Red Sea Reef Energy Plus 500ml AB+ All in One Coral Food for Saltwater Aquarium ...
4.7

300+ bought

STD 1192200

Red Sea Reef Energy Plus 250ml AB+ All in One Coral Food for Saltwater Aquarium Marine Reef Tanks | Food for Soft, LPS, SPS, and Non-Photosynthetic Corals
US Store
Red Sea

Red Sea Reef Energy Plus 250ml AB+ All in One Coral Food for Saltwater Aquarium ...
4.5

200+ bought

STD 887200

Red Sea ReefMat 500 Replacement Fleece 92 Roll
US Store
Red Sea

Red Sea ReefMat 500 Replacement Fleece 92 Roll
4.8

200+ bought

STD 1009200

6% OFF
Red Sea Reef Salt Mix Small Bucket | Makes 55 Gallons Complete Marine Saltwater Aquarium Advanced Formula Optimal Coral Health & Stability
US Store
Red Sea

Red Sea Reef Salt Mix Small Bucket | Makes 55 Gallons Complete Marine Saltwater ...
4.4

100+ bought

STD 1497200 1588700

Red Sea Reef Foundation C Magnesium Mg Supplement, 1000ml - Maintains Magnesium Balance for Healthy Corals in Marine & Reef Aquariums
US Store
Red Sea

Red Sea Reef Foundation C Magnesium Mg Supplement, 1000ml - Maintains Magnesium ...
4.8

100+ bought

STD 1192200

Red Sea Coral Pro Reef Salt Mix Small Bucket - Makes 55 Gallons Complete Marine Saltwater Aquarium Advanced Formula Optimal Coral Health & Stability
US Store
Red Sea

Red Sea Coral Pro Reef Salt Mix Small Bucket - Makes 55 Gallons Complete Marine ...
4.5

100+ bought

STD 1649700

Red Sea Coral Pro Marine Salt Mix 200 Gallon Bag - Premium Reef Aquarium Salt for Accelerated Coral Growth, Vibrant Colors & Balanced Water Parameters
US Store
Red Sea

Red Sea Coral Pro Marine Salt Mix 200 Gallon Bag - Premium Reef Aquarium Salt for ...
4.7

50+ bought

STD 3784700

Red Sea Coral Pro Reef Salt Mix Large Bucket - Makes 175 Gallons Complete Marine Saltwater Aquarium Advanced Formula Optimal Coral Health & Stability
US Store
Red Sea

Red Sea Coral Pro Reef Salt Mix Large Bucket - Makes 175 Gallons Complete Marine ...
4.4

50+ bought

STD 3632200

Red Sea Reef Spec Aquarium Carbon 1000 ml Superior Activated Carbon for Marine or Freshwater, Eliminates Toxins & Odors, Crystal Clear Water
US Store
Red Sea

Red Sea Reef Spec Aquarium Carbon 1000 ml Superior Activated Carbon for Marine or ...
4.6

50+ bought

STD 1039700

Red Sea Reef Foundation A Ca/Sr Supplement, 1000ml - Calcium & Strontium Additive for Healthy Coral Growth in Marine & Reef Aquariums
US Store
Red Sea

Red Sea Reef Foundation A Ca/Sr Supplement, 1000ml - Calcium & Strontium Additive ...
4.8

50+ bought

STD 1192200

Red Sea RCP Reef Colors C Supplement
US Store
Red Sea

Red Sea RCP Reef Colors C Supplement

STD 1154200

22% OFF
Red Sea 15840 Thin Mesh 225 Micron Filter Bag
US Store
Red Sea

Red Sea 15840 Thin Mesh 225 Micron Filter Bag
4.5

STD 642900 825900

Red Sea Max C-250 & S-Series Replacement Flow Pump Red Sea Part # 50420
US Store
Red Sea

Red Sea Max C-250 & S-Series Replacement Flow Pump Red Sea Part # 50420
3.6

STD 4547200

Red Sea Reefer 170 & Max E-170 Replacement Bubble Trap Sponge Part # 42184
US Store
Red Sea

Red Sea Reefer 170 & Max E-170 Replacement Bubble Trap Sponge Part # 42184
4.7

STD 1171450

Red Sea Max S-Series Replacement Main Pump Outlet Assembly Red Sea Part # 40367
US Store
Red Sea

Red Sea Max S-Series Replacement Main Pump Outlet Assembly Red Sea Part # 40367

STD 673400

Red Sea Reef Colors C Supplement 500ml - Iron & Trace Elements Complex for Enhanced Green Coral Pigmentation & Reef Aquarium Health
US Store
Red Sea

Red Sea Reef Colors C Supplement 500ml - Iron & Trace Elements Complex for Enhanced ...
4.8

STD 887200

RED SEA KH CORALLINE GRO 500ML 16.9OZ LIVE ROCK VITALIZER SUPPLEMENT
US Store
Red Sea

RED SEA KH CORALLINE GRO 500ML 16.9OZ LIVE ROCK VITALIZER SUPPLEMENT

STD 1225225

5% OFF
Red Sea KH/Alkalinity Pro Reef Test Kit Refill 75 Tests for Marine Aquariums
US Store
red sea

Red Sea KH/Alkalinity Pro Reef Test Kit Refill 75 Tests for Marine Aquariums
4.9

STD 1213250 1270450

Red Sea Reef Foundation A Ca/Sr Supplement, 5 L - Calcium & Strontium Additive for Healthy Coral Growth in Marine & Reef Aquariums
US Store
Red Sea

Red Sea Reef Foundation A Ca/Sr Supplement, 5 L - Calcium & Strontium Additive for ...
4.8

STD 4089700

Red Sea Reefer 250/350/450 & XL 425/525 Aquarium Replacement Outer Downpipe Part # 42206
US Store
Red Sea

Red Sea Reefer 250/350/450 & XL 425/525 Aquarium Replacement Outer Downpipe Part # ...
5

STD 2228900

Red Sea Reef Salt Mix Large Bucket - Makes 175 Gallons Complete Marine Saltwater Aquarium Advanced Formula Optimal Coral Health & Stability
US Store
Red Sea

Red Sea Reef Salt Mix Large Bucket - Makes 175 Gallons Complete Marine Saltwater ...
4.4

STD 3601700

Red Sea 42083 Net Cover, 60"
US Store
Red Sea

Red Sea 42083 Net Cover, 60"
3.3

STD 4242200

Red Sea Reefer 250/350 G2 Replacement Red Inner Downpipe Part # R42202G2
US Store
Red Sea

Red Sea Reefer 250/350 G2 Replacement Red Inner Downpipe Part # R42202G2

STD 1649700

Red Sea ReefMat Replacement Power Supply, black
US Store
Red Sea

Red Sea ReefMat Replacement Power Supply, black
4

STD 1253200

Red Sea Reefer Nano Aquarium Replacement Outer Downpipe Part # 42204
US Store
Red Sea

Red Sea Reefer Nano Aquarium Replacement Outer Downpipe Part # 42204

STD 1603950

Red Sea Reef Energy Plus 5000ml AB+ All in One Coral Food for Saltwater Aquarium Marine Reef Tanks | Food for Soft, LPS, SPS, and Non-Photosynthetic Corals
US Store
Red Sea

Red Sea Reef Energy Plus 5000ml AB+ All in One Coral Food for Saltwater Aquarium ...
4.4

STD 5614700

Red Sea Hangers for DIY Aquarium Net Cover, Black 42087
US Store
Red Sea

Red Sea Hangers for DIY Aquarium Net Cover, Black 42087
3.9

STD 661500

5% OFF
Red Sea Phosphate Pro Reef Test Kit 100 Tests for Marine and Reef Aquariums
US Store
red sea

Red Sea Phosphate Pro Reef Test Kit 100 Tests for Marine and Reef Aquariums
4.7

STD 2240300 2351600

Red Sea 4" Filter Media Cup
US Store
Red Sea

Red Sea 4" Filter Media Cup

STD 1108375

Red Sea Reefer Nano Aquarium Replacement Overflow Downpipe Part # 42207
US Store
Red Sea

Red Sea Reefer Nano Aquarium Replacement Overflow Downpipe Part # 42207
5

STD 1171450

Red Sea Fish Pharm ARE21416 Reagent Magnesium Pro Refill Kit for Aquarium, 100 Tests
US Store
Red Sea

Red Sea Fish Pharm ARE21416 Reagent Magnesium Pro Refill Kit for Aquarium, 100 Tests
4.5

STD 1381300

Red Sea Reefer Nano, Reefer 170, 250, 350 & Max-E Sump Replacement Pump Return Connector 16 mm Part # 42221
US Store
Red Sea

Red Sea Reefer Nano, Reefer 170, 250, 350 & Max-E Sump Replacement Pump Return ...
4.6

STD 1161400

Red Sea Reefer Nano Replacement Bubble Trap Sponge Part # 42183
US Store
Red Sea

Red Sea Reefer Nano Replacement Bubble Trap Sponge Part # 42183
5

STD 994550

Red Sea Reefer ReefRun DC Smart Skimmer 300, Self-Leveling, Controllable DC Pump, 500 LPH Airflow, ReefBeat App Compatible, Controller Required, 20W
US Store
Red Sea

Red Sea Reefer ReefRun DC Smart Skimmer 300, Self-Leveling, Controllable DC Pump, ...
5

STD 14612500

Red Sea Pump Return Connector Conversion to 1" FPT Bundle 2 Items
US Store
Red Sea

Red Sea Pump Return Connector Conversion to 1" FPT Bundle 2 Items

STD 1222075

Red Sea Reefer XXL/Peninsula Aquarium Replacement Overflow Downpipe Part # 42322
US Store
Red Sea

Red Sea Reefer XXL/Peninsula Aquarium Replacement Overflow Downpipe Part # 42322

STD 1603950

Red Sea Reefer 450 & XL-425/525 Aquarium Replacement Overflow Downpipe Part # 42210
US Store
Red Sea

Red Sea Reefer 450 & XL-425/525 Aquarium Replacement Overflow Downpipe Part # 42210
5

STD 1374900

18% OFF
Red Sea Reef Foundation A Dry Ca/Sr 1 kg
US Store
Red Sea

Red Sea Reef Foundation A Dry Ca/Sr 1 kg

STD 1200625 1459850

19% OFF
Red Sea Aqcult 306168 1ltr Reefer Foundation B Alkalin
US Store
Red Sea

Red Sea Aqcult 306168 1ltr Reefer Foundation B Alkalin

STD 1146825 1415875

Red Sea 15838 Felt Fine 100 Micron Polish Filter Bag
US Store
Red Sea

Red Sea 15838 Felt Fine 100 Micron Polish Filter Bag
4.7

STD 582200

Red Sea Reefer 350 & 450 Replacement Bubble Trap Sponge Part # 42186
US Store
Red Sea

Red Sea Reefer 350 & 450 Replacement Bubble Trap Sponge Part # 42186
4.9

STD 1527400

Red Sea Max Nano Replacement 225 Micron Thin-Mesh Filter Bag, 2 Pack 730773405800
US Store
Red Sea

Red Sea Max Nano Replacement 225 Micron Thin-Mesh Filter Bag, 2 Pack 730773405800
4.4

STD 734700

Red Sea ReefDose 4 Tube Aquarium Dosing Pump Tubing Holder with Tips | Saltwater Reef Marine Freshwater Air Pump Line Holders Clips Clamps Fish Tank
US Store
Red Sea

Red Sea ReefDose 4 Tube Aquarium Dosing Pump Tubing Holder with Tips | Saltwater ...
3.9

STD 887200

Red Sea Salt Bucket Treats 55 Gallons 15.4 lbs.
US Store
Red Sea

Red Sea Salt Bucket Treats 55 Gallons 15.4 lbs.
5

STD 1508450

5% OFF
Red Sea pH / Alkalinity Marine Test Kit Saltwater Aquarium pH & KH Multi Test
US Store
red sea

Red Sea pH / Alkalinity Marine Test Kit Saltwater Aquarium pH & KH Multi Test

STD 1213250 1270450

Red Sea Reef Salt Mix Large Box | Makes 160 Gallons Complete Marine Saltwater Aquarium Advanced Formula Optimal Coral Health & Stability
US Store
Red Sea

Red Sea Reef Salt Mix Large Box | Makes 160 Gallons Complete Marine Saltwater ...
5

STD 3479700

Red Sea ReefDose Deluxe 4 Color Dosing Tube Kit Red Yellow Pink Orange | Saltwater Marine Aquarium Dosing Pump Tubing Set Hose
US Store
Red Sea

Red Sea ReefDose Deluxe 4 Color Dosing Tube Kit Red Yellow Pink Orange | Saltwater ...
4.8

STD 887200

Red Sea Reef Colors C Supplement Iron/Trace Elements - 500ml
US Store
Red Sea

Red Sea Reef Colors C Supplement Iron/Trace Elements - 500ml
4.4

STD 948800

Red Sea Max Nano 100 Micron Thin Mesh Filter Sock 2 Units
US Store
Red Sea

Red Sea Max Nano 100 Micron Thin Mesh Filter Sock 2 Units

STD 1046875

Red Sea Fish Pharm ARE21425 Saltwater Phosphate Pro Test Kit for Aquarium, 100 Tests
US Store
Red Sea

Red Sea Fish Pharm ARE21425 Saltwater Phosphate Pro Test Kit for Aquarium, 100 Tests
4.2

STD 1893700

Red Sea Reef Spec Aquarium Carbon 500 ml Superior Activated Carbon for Marine or Freshwater, Crystal Clear Water
US Store
Red Sea

Red Sea Reef Spec Aquarium Carbon 500 ml Superior Activated Carbon for Marine or ...
4.7

STD 887200

16% OFF
Red Sea 100ML Trace Colors ABCD
US Store
Red Sea

Red Sea 100ML Trace Colors ABCD

STD 1146825 1368850

Red Sea Foundation ABC Supplements Complete Pro Pack 3x 1 Liter
US Store
Red Sea

Red Sea Foundation ABC Supplements Complete Pro Pack 3x 1 Liter

STD 2892200

5% OFF
Red Sea Reefer Filter Socks
US Store
Red Sea

Red Sea Reefer Filter Socks
3.6

STD 642900 673400

Red Sea Reefer 450 & XL 425/525 Aquarium Replacement Inner Downpipe Part # 42203
US Store
Red Sea

Red Sea Reefer 450 & XL 425/525 Aquarium Replacement Inner Downpipe Part # 42203
5

STD 1679900

Red Sea Reef Colors B Supplement 500ml - Potassium & Boron Trace Elements for Enhanced Red Coral Pigmentation & Reef Aquarium Health
US Store
Red Sea

Red Sea Reef Colors B Supplement 500ml - Potassium & Boron Trace Elements for ...
4.3

STD 887200

Red Sea Reef Colors A Supplement 500ml Iodine, Bromine & Fluorine Trace Elements for Enhanced Pink Coral Coloration & Reef Aquarium Health
US Store
Red Sea

Red Sea Reef Colors A Supplement 500ml Iodine, Bromine & Fluorine Trace Elements ...
4.7

STD 887200

Red Sea MCP Marine Care Test 100/55/100/60/100
US Store
red sea

Red Sea MCP Marine Care Test 100/55/100/60/100
4.6

STD 2584700

Red Sea Reef Spec Aquarium Carbon 2000 ml Superior Activated Carbon for Marine or Freshwater, Eliminates Toxins & Odors, Crystal Clear Water
US Store
Red Sea

Red Sea Reef Spec Aquarium Carbon 2000 ml Superior Activated Carbon for Marine or ...
4.7

STD 1649700

Red Sea Reefer Protein Skimmer Replacement Silencer Part # 50560
US Store
Red Sea

Red Sea Reefer Protein Skimmer Replacement Silencer Part # 50560
5

STD 1039400

Red Sea Reefer RSK Series Protein Skimmer Pump Holder Part # 50561, Grey
US Store
Red Sea

Red Sea Reefer RSK Series Protein Skimmer Pump Holder Part # 50561, Grey

STD 703900

Red Sea Reefer 170 Aquarium Replacement Overflow Downpipe Part # 42208
US Store
Red Sea

Red Sea Reefer 170 Aquarium Replacement Overflow Downpipe Part # 42208
5

STD 1191900

Red Sea Reefer 250 Replacement Bubble Trap Sponge Part # 42185
US Store
Red Sea

Red Sea Reefer 250 Replacement Bubble Trap Sponge Part # 42185
3.9

STD 1222400

Red Sea Reef Energy Plus AB+ 500ml Aquatics
US Store
Red Sea

Red Sea Reef Energy Plus AB+ 500ml Aquatics
4.8

STD 1355300

Red Sea Max Nano Replacement Skimmer Pump Red Sea Part # 40591
US Store
Red Sea

Red Sea Max Nano Replacement Skimmer Pump Red Sea Part # 40591
4.1

STD 1954700

Red Sea ReefMat 500 Filter Roller for Saltwater Aquariums Up to 130 Gallon Tanks | Plug & Play, ReefBeat App Controlled Fully Automated, Smart Fleece Roller Mat Filter for Your Marine Reef Aquarium
US Store
Red Sea

Red Sea ReefMat 500 Filter Roller for Saltwater Aquariums Up to 130 Gallon Tanks | ...
4.7

STD 13209500

Brands Similar to Red sea

Tetra
API
Fluval
Seachem
Marina

All You Need to Know About Red sea – Top Picks & More

Red Sea is a well-respected name in the aquarium and reef care industry, renowned for its innovative solutions designed to support vibrant aquatic ecosystems. Established with a commitment to environmental sustainability, Red Sea's products cater to both novice and experienced aquarists, offering everything from high-quality salt mixes to comprehensive care systems. With a global footprint spanning over 90 countries, they have earned customer trust through a dedication to research and development, consistently creating products that enhance the health and beauty of marine environments. Red Sea is particularly recognized for pioneering marine care products that focus on maintaining optimal water quality and supporting coral growth. Their noteworthy innovations include the Red Sea Reef Foundation program, which aligns product offerings with environmental stewardship, emphasizing the importance of healthy ecosystems. Furthermore, their user-friendly educational resources empower customers to make informed decisions about care and maintenance, ensuring that their aquariums thrive for years to come. This blend of technological advancement and customer-centric approach has solidified Red Sea's position as a leader in marine aquarium products, making it a go-to choice for aquarium enthusiasts worldwide.

Why Buy From Ubuy

  • Authenticity Assurance: Our Red sea products are sourced from verified global suppliers and come with the original brand packaging and labeling, ensuring their authenticity.
  • Speedy Delivery: Experience fast delivery services, bringing Red sea products from global warehouses right to your doorstep in São Tomé and Príncipe.
  • Exclusive Global Selection: With Ubuy, you gain access to a vast selection of Red sea products not easily found in local stores.
  • Competitive Global Pricing: Ubuy brings you Red sea products at prices that leverage the benefits of international pricing, ensuring you save more.
  • Responsive Customer Service: Our dedicated support team is always ready to assist you with any queries regarding Red sea products, delivery times, or order process.
  • Effortless Shopping Experience: Enjoy a seamless shopping experience with our easy ordering process and secure checkout when purchasing Red sea products.

Top Offerings from Red sea to Try in São Tomé and Príncipe

  • Aquarium Care – Marine Salt, Test Kits, Water Conditioners
  • Coral Care – Coral Food, Coral Supplements, Growth Enhancers
  • Aquarium Equipment – Filtration Systems, Lighting Solutions, Heaters
  • Reef Care – Reef Foundation, Algae Management, Coral Health Products
  • Aquarium Maintenance – Cleaning Tools, Replacement Parts, Water Treatments

High Rated Products of Red sea

  • Red Sea Coral Pro Salt

    Red Sea Coral Pro Salt is formulated specifically for reef aquariums, providing a rich blend of essential minerals and nutrients to promote coral growth. This high-performance salt mix dissolves easily and creates clean, stable water, ensuring optimal conditions for coral and marine life longevity. Its unique formulation not only supports healthy ecosystems but also enhances water clarity and stability, making it an essential product for serious aquarists.

  • Red Sea Reef Foundation A, B & C

    The Reef Foundation A, B, & C system from Red Sea supplies calcium, alkalinity, and magnesium, which are vital for coral health and growth in marine aquariums. This three-part dosing system allows for precision control over the most critical parameters of reef tanks. With regular use, it helps maintain balanced water chemistry, ensuring robust coral health and vibrancy in your aquarium.

  • Red Sea Test Kit - Marine Care

    Red Sea's Marine Care Test Kit provides aquarists with the tools they need to monitor essential water parameters, including pH, ammonia, nitrite, and nitrate levels. Each kit includes user-friendly instructions, making it easy to maintain the health of your aquarium. Regular testing helps ensure a balanced environment, which is crucial for the well-being of your marine life and coral.

  • Red Sea Algae Management Kit

    Designed to help tackle algae growth efficiently, the Red Sea Algae Management Kit provides the tools necessary for maintaining a healthy aquarium ecosystem. It includes everything from algae inhibitors to feeding guides, making it easier to manage nutrient levels for optimal growth while ensuring that your aquarium remains visually stunning. This kit is a go-to for enthusiasts looking to keep their marine environments thriving.

  • Red Sea Lighting Solutions - LED Lights

    Red Sea's LED lighting solutions are designed to mimic natural sunlight and are perfect for supporting coral growth and overall aquarium health. With varying spectrums and intensity controls, these lights deliver the right quality of light to enhance both the aesthetic appeal and physiological needs of your aquatic life. Energy-efficient and long-lasting, these lights are ideal for professional aquarists and hobbyists alike.

Commonly Asked Questions

  • What types of products does Red Sea offer for aquatic care?

    Red Sea offers a comprehensive range of products focusing on aquarium care, coral care, aquarium equipment, reef care, and aquarium maintenance. They include top-quality marine salt, supplements for coral growth, efficient filtration systems, and effective cleaning tools to ensure your aquarium thrives.

  • How should I use Red Sea Coral Pro Salt?

    To use Red Sea Coral Pro Salt, dissolve the desired amount in your water before adding it to your aquarium. The recommended mixing ratio is typically provided on the packaging. It is essential to ensure that your saltwater parameters are within optimal ranges for a thriving reef environment.

  • What is the difference between the Reef Foundation A, B & C products?

    The Reef Foundation A, B & C system consists of three separate products that deliver calcium, alkalinity, and magnesium to support coral health and growth. Each product addresses specific chemistry requirements for a balanced reef aquarium, and they can be dosed separately or combined as needed.

  • How can I check the water parameters in my aquarium using Red Sea products?

    You can check water parameters in your aquarium using the Red Sea Marine Care Test Kit, which includes tools to measure pH, ammonia, nitrite, and nitrate levels. Regular testing is vital to maintain a safe and stable environment for your fish and corals.

  • How do I manage algae growth in my aquarium?

    Red Sea offers an Algae Management Kit designed specifically to combat algae growth. By following the included guidelines and using the solutions in the kit, you can effectively manage nutrient levels, which helps in controlling algae while maintaining the health of your aquarium.

  • How can I verify that the Red Sea products I bought are genuine?

    Red Sea products sold on Ubuy should come with the brand's packaging and labeling. Be sure to purchase only from Ubuy or verified sellers. In case of doubts, you can contact our customer support for clarification before placing an order.

  • Is Red Sea available for international shipping?

    Yes, Red Sea products are available for international shipping through Ubuy. This allows customers around the world, including those in São Tomé and Príncipe, to access high-quality aquarium care solutions conveniently.

  • Can I order Red Sea products from Ubuy if I am located in São Tomé and Príncipe?

    Absolutely! Ubuy facilitates the purchase of Red Sea products for customers in São Tomé and Príncipe, providing access to a wide variety of items aimed at maintaining a healthy aquarium.

  • What makes Ubuy a reliable platform for purchasing Red Sea products?

    Ubuy offers global availability of trusted brands like Red Sea, ensuring you have access to a variety of products. The platform specializes in cross-border shopping, providing you with options to shop for high-quality aquarium care solutions conveniently.

  • What are some top trending products from Red Sea?

    Some top trending products from Red Sea include the Coral Pro Salt, Reef Foundation A, B & C, Marine Care Test Kit, and Algae Management Kit. These items are popular among aquarium enthusiasts for maintaining optimal water conditions and supporting coral growth.