Pre-St. Patrick's Day Sale: Discount Incresed! Save "60% OFF" Corals - CODE: PRE60

RedSea

8 products


  • RedSea - Ammonia Test Kit

    RedSea - Ammonia Test Kit

    3 in stock

    Introducing the RedSea Ammonia Test Kit: Your Essential Tool for Monitoring Ammonia Levels in Your Aquarium! Ensure the health and well-being of your aquatic inhabitants with the RedSea Ammonia Test Kit, a precise and reliable solution for measuring ammonia levels in your aquarium. Developed by RedSea, a trusted leader in aquarium care, this test kit empowers you to accurately monitor ammonia levels, allowing you to maintain optimal water quality and create a healthy environment for your marine life. Accurate Testing: The RedSea Ammonia Test Kit utilizes advanced colorimetric technology to provide accurate and dependable measurements of ammonia levels in your aquarium. With easy-to-follow instructions and clear color charts, testing for ammonia has never been easier or more precise. Monitor Water Quality: Ammonia is a toxic compound that can be harmful to fish, corals, and other aquatic organisms if present in high concentrations. By regularly testing for ammonia with the RedSea Ammonia Test Kit, you can monitor water quality and detect any spikes or fluctuations in ammonia levels, allowing you to take corrective action promptly and ensure the well-being of your aquarium inhabitants. Comprehensive Analysis: The RedSea Ammonia Test Kit offers a comprehensive analysis of ammonia levels in your aquarium, providing valuable insights into the health of your aquatic ecosystem. Regular testing enables you to identify any ammonia spikes or imbalances, allowing you to address them quickly and maintain a stable and healthy environment for your marine life. Easy-to-Use Kit: Designed for convenience and accuracy, the RedSea Ammonia Test Kit comes complete with all the necessary components for hassle-free testing. The kit includes easy-to-follow instructions, high-quality reagents, and precision measuring tools, making it simple to perform ammonia tests and obtain accurate results. Trusted Quality: RedSea is renowned for its commitment to quality and innovation in aquarium care. With years of expertise and research behind it, the RedSea Ammonia Test Kit is trusted by hobbyists and professionals alike for its reliability, accuracy, and ease of use. With RedSea, you can trust that you are providing the best possible care for your aquarium. Promote Healthy Aquariums: With the RedSea Ammonia Test Kit, you can proactively monitor ammonia levels in your aquarium and maintain optimal water quality for your marine life. Take control of your aquarium's health and create a thriving aquatic environment with the RedSea Ammonia Test Kit. Ships with your livestock order!*Discount codes cannot be applied to this product

    3 in stock

    $23.99

  • RedSea - Phosphate Test Kit

    RedSea - Phosphate Test Kit

    3 in stock

    Introducing the RedSea Phosphate Test Kit: Your Essential Tool for Monitoring Phosphate Levels in Your Aquarium! Maintain the pristine condition of your aquatic environment with the RedSea Phosphate Test Kit, a precise and reliable solution for measuring phosphate levels in your aquarium. Developed by RedSea, a trusted name in aquarium care, this test kit empowers you to accurately monitor phosphate levels, ensuring optimal water quality and a healthy environment for your marine inhabitants. Accurate Testing: The RedSea Phosphate Test Kit utilizes advanced colorimetric technology to provide accurate and reliable measurements of phosphate levels in your aquarium. With easy-to-read color charts and step-by-step instructions, testing phosphate levels has never been simpler or more precise. Control Phosphate Levels: Phosphate is a key nutrient that can impact the health and growth of corals and other marine organisms. Excess phosphate levels can lead to algae overgrowth and poor water quality, while insufficient levels may hinder coral growth and vitality. By monitoring phosphate levels with the RedSea Phosphate Test Kit, you can take proactive steps to maintain optimal conditions for your aquarium inhabitants. Comprehensive Analysis: The RedSea Phosphate Test Kit offers a comprehensive analysis of phosphate levels in your aquarium, allowing you to assess water quality with confidence. Regular testing enables you to identify and address any fluctuations or imbalances in phosphate levels, helping you maintain a stable and healthy aquatic ecosystem. Easy-to-Use Kit: Designed for ease of use, the RedSea Phosphate Test Kit comes complete with all the necessary components for convenient testing. The kit includes clear instructions, high-quality reagents, and precision measuring tools, ensuring hassle-free testing and accurate results every time. Trusted Quality: RedSea is renowned for its commitment to quality and innovation in aquarium care. Backed by years of expertise and research, the RedSea Phosphate Test Kit is trusted by hobbyists and professionals alike for its accuracy, reliability, and ease of use. With RedSea, you can rest assured that you are providing the best possible care for your aquarium. Promote Healthy Water Quality: With the RedSea Phosphate Test Kit, you can maintain optimal water quality and promote the health and vitality of your aquarium inhabitants. Take control of phosphate levels in your aquarium and enjoy a thriving aquatic ecosystem with the RedSea Phosphate Test Kit. Ships with your livestock order!*Discount codes cannot be applied to this product

    3 in stock

    $27.99

  • RedSea - Magnesium Test Kit

    RedSea - Magnesium Test Kit

    2 in stock

    Introducing the RedSea Magnesium Test Kit: Your Key to Maintaining Optimal Magnesium Levels in Your Aquarium! Ensure the health and vitality of your marine environment with the RedSea Magnesium Test Kit, a precise and reliable solution for monitoring magnesium levels in your aquarium. Specially designed by RedSea, a trusted name in aquarium care, this test kit provides accurate results to help you maintain the ideal magnesium concentration for your corals and other marine inhabitants. Precision Testing: The RedSea Magnesium Test Kit utilizes advanced titration technology to deliver precise and accurate results, allowing you to monitor magnesium levels with confidence. With easy-to-follow instructions and color-coded indicators, testing magnesium levels in your aquarium has never been simpler or more reliable. Optimal Magnesium Levels: Magnesium is an essential element for the health and growth of corals, as well as other marine organisms. Maintaining the correct magnesium concentration in your aquarium is crucial for promoting coral calcification, supporting skeletal growth, and ensuring overall coral health. With the RedSea Magnesium Test Kit, you can easily monitor magnesium levels and make informed adjustments to maintain optimal conditions for your marine inhabitants. Comprehensive Analysis: The RedSea Magnesium Test Kit provides a comprehensive analysis of magnesium levels in your aquarium, allowing you to accurately assess the health of your marine environment. By regularly testing magnesium levels, you can identify any imbalances or fluctuations that may impact coral growth and vitality, enabling you to take proactive measures to maintain a stable and thriving reef ecosystem. Easy-to-Use Kit: Designed for ease of use, the RedSea Magnesium Test Kit comes with everything you need to perform accurate tests quickly and efficiently. The kit includes clear instructions, high-quality reagents, and a precision titration syringe, ensuring hassle-free testing and reliable results every time. Trusted Quality: RedSea is renowned for its commitment to quality and innovation in the field of aquarium care. Backed by years of expertise and research, the RedSea Magnesium Test Kit is trusted by hobbyists and professionals alike for its accuracy, reliability, and ease of use. With RedSea, you can rest assured that you are providing the best possible care for your marine aquarium. Maintain Magnesium Balance: With the RedSea Magnesium Test Kit, you can maintain the optimal magnesium balance in your aquarium, promoting the health and vitality of your corals and other marine organisms. Take the guesswork out of aquarium maintenance and ensure a thriving reef ecosystem with the RedSea Magnesium Test Kit. Ships with your livestock order!*Discount codes cannot be applied to this product

    2 in stock

    $27.99

  • RedSea - Calcium Test Kit

    RedSea - Calcium Test Kit

    3 in stock

    Ensure optimal calcium levels in your marine aquarium with the RedSea - Calcium Test Kit. This user-friendly titration test offers accurate measurement of calcium (Ca) to meet the specific requirements of your aquatic environment. Key Features: Accurate Measurement: RedSea's Calcium Test Kit delivers precise results, allowing you to maintain optimal calcium levels in your marine aquarium. Choose between two levels of accuracy, either 15ppm or 30ppm, to suit your specific needs and preferences. User-Friendly Design: Designed for ease of use, this test kit includes easy-to-follow graphic instructions and conversion tables. With clear guidance provided, you can quickly and confidently interpret the test results, ensuring the health and vitality of your aquarium inhabitants. Test Procedure: Follow the provided instructions to prepare the test solution. Add the test solution to your aquarium water sample. Perform the titration process according to the instructions. Use the conversion tables to interpret the results and determine the calcium level in your aquarium. Maintaining proper calcium levels is essential for the health and growth of corals, crustaceans, and other marine organisms in your aquarium. With the RedSea - Calcium Test Kit, you can monitor calcium levels with precision and confidence, ensuring a thriving marine ecosystem. Invest in the RedSea - Calcium Test Kit and take the guesswork out of calcium measurement in your marine aquarium. Order now and experience the convenience and reliability of Red Sea's advanced testing solutions. Ships with your livestock order!*Discount codes cannot be applied to this product

    3 in stock

    $24.99

  • RedSea - pH | Alkalinity Test Kit

    RedSea - pH | Alkalinity Test Kit

    3 in stock

    Ensure the optimal pH and alkalinity levels of your aquarium with the RedSea pH | Alkalinity Test Kit, a comprehensive solution for accurate and reliable testing in both freshwater and saltwater environments. Key Features: Dual Testing Capability: This test kit allows you to measure both pH and alkalinity levels, providing a comprehensive assessment of your aquarium's water chemistry. Precise Measurements: The RedSea pH | Alkalinity Test Kit offers precise measurement of pH and alkalinity levels, ensuring that you can maintain the ideal conditions for your aquatic inhabitants. Test Contents: pH Test: Accurately measure the pH levels of your aquarium water, enabling you to monitor acidity or alkalinity with confidence. Alkalinity Test: Assess the alkalinity levels of your aquarium water, a critical parameter for maintaining stable pH and buffering capacity. User-Friendly Design: Easy-to-Follow Instructions: Conducting tests with the RedSea pH | Alkalinity Test Kit is straightforward, thanks to the easy-to-follow instructions included with the kit. Convenient Testing: With this test kit, you can quickly and conveniently monitor pH and alkalinity levels, allowing you to make necessary adjustments to maintain water quality. Ensure Aquarium Health: Maintaining proper pH and alkalinity levels is essential for the health and well-being of your aquarium inhabitants. With the RedSea pH | Alkalinity Test Kit, you can confidently monitor these parameters and take proactive steps to ensure the stability and vitality of your aquatic ecosystem. Invest in the RedSea pH | Alkalinity Test Kit today and enjoy peace of mind knowing that you have the tools to maintain optimal water conditions in your aquarium. With its accuracy, reliability, and user-friendly design, it's the perfect solution for any aquarium enthusiast. Order now and take the first step toward a thriving aquatic environment. Ships with your livestock order!*Discount codes cannot be applied to this product

    3 in stock

    $23.99

  • (Locals Only) RedSea Trace Colors B (Potassium) - 500 mL

    (Locals Only) RedSea Trace Colors B (Potassium) - 500 mL

    4 in stock

    Red Sea Trace Colors B contains potassium to help promote the red colors in corals. 1 mL will raise the potassium level of 25 gallons (100 liters) by 1.75ppm. Through extensive research, Red Sea has identified 31 trace and minor elements that help make up the skeleton and soft tissue of corals. These elements are essential to the proper coloration of SPS corals. Red Sea has divided these elements into four groups which make up there Red Sea Trace��Colors. Red Sea Trace��Colors A (Iodine/Halogens) - promotes pink colors Red Sea Trace��Colors B (Potassium) - promotes red colors Red Sea Trace��Colors C (Iron/Complementary Trace Elements) - promotes green colors Red Sea Trace��Colors D (Trace Element Complex) - promotes purple/blue colors ��Localpick up ONLY!!!!! *Discount codes cannot be applied to this product

    4 in stock

    $17.99

  • (Locals Only) RedSea Trace Colors C (Iron/Trace) - 500 mL

    (Locals Only) RedSea Trace Colors C (Iron/Trace) - 500 mL

    4 in stock

    Red Sea Trace Colors C contains iron and complementary trace element complex to help promote the green colors in corals. 1 mL will raise the Iron level of 25 gallons (100 liters) by 0.02ppm. Through extensive research, Red Sea has identified 31 trace and minor elements that help make up the skeleton and soft tissue of corals. These elements are essential to the proper coloration of SPS corals. Red Sea has divided these elements into four groups which make up there Red Sea Trace��Colors. Red Sea Trace��Colors A (Iodine/Halogens) - promotes pink colors Red Sea Trace��Colors B (Potassium) - promotes red colors Red Sea Trace��Colors C (Iron/Complementary Trace Elements) - promotes green colors Red Sea Trace��Colors D (Trace Element Complex) - promotes purple/blue colors ��Localpick up ONLY!!!!! *Discount codes cannot be applied to this product

    4 in stock

    $17.99

  • (Locals Only) RedSea Trace Colors D (Trace) - 500 mL

    (Locals Only) RedSea Trace Colors D (Trace) - 500 mL

    3 in stock

    Red Sea Trace Colors D contains trace element complex to help promote the purple/blue colors in corals. Through extensive research, Red Sea has identified 31 trace and minor elements that help make up the skeleton and soft tissue of corals. These elements are essential to the proper coloration of SPS corals. Red Sea has divided these elements into four groups which make up there Red Sea Trace Colors. Red Sea Trace Colors A (Iodine/Halogens) - promotes pink colors Red Sea Trace Colors B (Potassium) - promotes red colors Red Sea Trace Colors C (Iron/Complementary Trace Elements) - promotes green colors Red Sea Trace Colors D (Trace Element Complex) - promotes purple/blue colors �� Notes for use Pour DipX into an empty container. Verify the container is both clean and dry beforehand. Use 10 ml of DipX (diluted 1:100 with aquarium water) to prepare 1L/0.26gallons of bath mix. Place your new coral or live rock in the container for no more than 15 minutes. Bath solution can be reused for up to four batches of corals/rocks but should be discarded within 2 hours from preparation. ��Localpick up ONLY!!!!! *Discount codes cannot be applied to this product

    3 in stock

    $17.99

Our Mission

“Specializing in Rare and Unusual Corals” is our mantra!  We are constantly searching for new and exciting corals that will thrive in your reef and make your tank one of a kind!

Aqua SD has been shipping corals country wide since 2007!  All corals are shipped overnight to get your corals to you as quickly as possible.  We make sure to use the best packing materials available, so your corals arrive safely.

You’ll find the largest selection of WYSIWYG (What You See Is What You Get) corals and inverts on our website.  We are constantly updating the site with new and exciting products.  Please make sure to subscribe to our Newsletter to keep up to date for special promotions and releases

All Corals and Inverts are thoroughly inspected and quarantined before they are made available for sale.  We are constantly monitoring these animals and making sure they are getting the best care possible.  Our husbandry staff is always happy and willing to answer any questions you may have.

At Aqua SD, our main goal is to ensure customer satisfaction.  If you have any issues or concerns, please do not hesitate to reach out to us.  We hope to make your reef aquarium full of color and life!

© 2026 Aqua SD, Powered by Shopify

    • Amazon
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • USDC
    • Visa

    Login

    Forgot your password?

    Don't have an account yet?
    Create account

    ×

    Please wait...

    Make An Offer

    Descriptive image text
    Descriptive image text