We recommend color changing resin for the fact that it will physically change colors as it gets exhausted.  That allows you to monitor the consumption of the DI resin and know when to change it out.  If you have a TDS meter we still recommend...

The next evolution of flow control. Achieve unmatched power and efficiency for your reef or freshwater aquarium. The TUNZE Turbelle® stream 6105 eco sets a new benchmark for controllable circulation pumps, combining high volume flow with...

Mesh Media Bags are used to hold media like carbon, GFO or any other loose media. The mesh bags allow for flow through the media while keeping the loose media contained. By strategically placing the media bags in your sump, you can control the amount of...

BRS Bituminous Aquarium Carbon Bituminous carbon is the most commonly used carbon in the aquarium hobby, removing odors and discoloration from the water. Ideal for fresh or saltwater aquariums, this carbon works well when used in a media bag or...

Changes from Purple to Amber when exhausted Cation Single Bed Color Changing DI Resin is great for people that want to be more efficient with their deionization resin usage. Single bed resins do require the use of a cation and anion resins followed by a...

Changes from Purple to Amber when exhausted Cation Single Bed Color Changing DI Resin is great for people that want to be more efficient with their deionization resin usage. Single bed resins do require the use of a cation and anion resins followed by a...

Changes from Blue to Amber when exhausted Anion Single Bed Color Changing DI Resin is great for people that want to be more efficient with their deionization resin usage. Single bed resins do require the use of a cation and anion resin followed by a...

Changes from Blue to Amber when exhausted Anion Single Bed Color Changing DI Resin is great for people that want to be more efficient with their deionization resin usage. Single bed resins do require the use of a cation and anion resin followed by a...

Changes from Purple to Amber when exhausted Cation Mixed Bed Color Changing Resin can be used with any type of RO/DI system that utilizes refillable cartridges, and is great at removing calcium, magnesium, aluminum, iron, and other positively...

Changes from Purple to Amber when exhausted Cation Mixed Bed Color Changing Resin can be used with any type of RO/DI system that utilizes refillable cartridges, and is great at removing calcium, magnesium, aluminum, iron, and other positively...

Targeted Nutrition for Frag Tanks and Fish-Less Nano Reefs The Rod's Food Coral Blend is a specialized, nutrient-dense frozen formula designed for the advanced hobbyist managing systems without fish. This blend provides a comprehensive mix of...

The Ultimate Tiny Treat for Your Entire Reef Ecosystem Introducing Rod's Food Polyp Poppers, the specialized frozen delicacy featuring super-small, bright yellow saltwater fish eggs designed to maximize feeding success in all types of marine...

WYZE Cam v4, 2.5K HD WiFi Smart Home Security Camera, Indoor/Outdoor, Pet/Baby Monitor, Motion Activated Spotlight/Siren, Color Night Vision, 2-Way Audio, Works with Alexa & Google, Wired, White Pair this with your AvidAqua ModMag System for perfect...

UNUSED CUSTOMER RETURNThe SICCE XStream wave pumps represent a series of compact stream pumps delivering powerful flow rates with low running operating costs. This small, powerful and energy-efficient line is designed and Made in Italy to rigorous...

On average 3/4" - 1" in size.  If you are looking to start buying coral online to add to your aquarium, this is the great sps coral. ACI Cultured Vivid Confetti Acropora Coral. A great SPS coral addition for your aquarium. Expertise:...

On average 3/4" - 1" in size.  If you are looking to start buying coral online to add to your aquarium, this is the great sps coral. ACI Cultured Pink Panther Acropora Coral. A great SPS coral addition for your aquarium. Expertise:...

Average frag 2-8 polyps.  If you are looking to buy vibrant color coral online to add to your reef tank, this is the best choice. ACI Wizards Zoanthids coral is a fast growing coral that will reproduce and expand there colonies, for beginners...

On average 3/4" - 1" in size.  Coral pictured is very close to WYSIWYG. If you are looking to start buying coral online, to add to your aquarium, this is a great beginner Small Polyp Stoney coral. ACI Sanjay's Fire Porites Coral is a...

Give your grazers the ultimate variety with Rod's Food Seaweed Blend. This 30-gram package combines three types of premium, certified raw seaweed: nutrient-rich green sheets, red sheets, and leafy purple seaweed. This blend is never roasted, preserving...

Offer your marine grazers the best with Rod's Food Red Seaweed Sheets. This 30-gram package is filled with high-quality, "certified raw" red seaweed. Because it's never roasted, it retains its maximum flavor and nutrient profile, providing an essential,...

Nourish your marine herbivores with Rod's Food Green Seaweed Sheets. This 30-gram package contains high-quality, certified raw green seaweed, not roasted, to preserve all essential nutrients. These nutrient-rich sheets are the perfect daily food for...

Treat your marine herbivores to the best with Rod's Food Purple Leafy Seaweed. This 30-gram package contains high-quality, certified raw purple seaweed in a leafy, chunky texture—not brittle sheets. Packed with nutrients, it's the perfect daily...

Stay hydrated as you work out with the Sheen Sports Bottle. It’s easy to hold onto while you’re walking or jogging. Finish with your logo and keep yourself refreshed. BPA-free aluminum material Flip-top lid with large opening for easy...

Transform your existing NYOS Quantum® skimmer into a smart, autonomous, and fully controllable device. This upgrade kit integrates seamlessly with Mobius™ (Ecotech Marine) and Apex Fusion (Neptune Systems) apps, giving you complete wireless...

Transform your existing NYOS Quantum® skimmer into a smart, autonomous, and fully controllable device. This upgrade kit integrates seamlessly with Mobius™ (Ecotech Marine) and Apex Fusion (Neptune Systems) apps, giving you complete wireless...

Transform your existing NYOS Quantum® skimmer into a smart, autonomous, and fully controllable device. This upgrade kit integrates seamlessly with Mobius™ (Ecotech Marine) and Apex Fusion (Neptune Systems) apps, giving you complete wireless...

Elevate your reef aquarium with the NYOS QUANTUM EQ, the smart protein skimmer that combines extreme performance with intelligent app control. Wirelessly connect via the Mobius or Apex Fusion app to unlock preset modes, smart safety features, and...

Elevate your reef aquarium with the NYOS QUANTUM EQ, the smart protein skimmer that combines extreme performance with intelligent app control. Wirelessly connect via the Mobius or Apex Fusion app to unlock preset modes, smart safety features, and...

Elevate your reef aquarium with the NYOS QUANTUM EQ, the smart protein skimmer that combines extreme performance with intelligent app control. Wirelessly connect via the Mobius or Apex Fusion app to unlock preset modes, smart safety features, and...

Free on Orders of $250+, Just Add to A Cart over $250. Professional ICP seawater laboratory analysis - ICP-OES is used to analyze over 35 chemical elements in the seawater sample.After the measurement, the user can call up the detailed analysis...

The ReefSense 4-port expander enables the ReefControl Pro to accommodate 7 ReefSense Probes/sensors.

The single most important safety device for any aquarium. A universal titanium grounding probe protects you, your family, and your livestock from dangerous stray voltage and electrical shock. By creating a safe path-to-ground, this probe removes "stray...

A dedicated holder designed to cleanly and securely mount a single ReefSense probe (such as pH, Salinity, ORP, or Temperature) in your sump or aquarium, ensuring it stays in the optimal position for accurate readings. Detailed Description: Keep your...

A dedicated holder designed to cleanly and securely mount a 4 ReefSense probes (such as pH, Salinity, ORP, or Temperature) in your sump or aquarium, ensuring it stays in the optimal position for accurate readings. Keep your monitoring probes organized...

The titanium-tipped ReefSense temperature probe can be connected directly to the ReefControl Power or to the ReefControl Lite or Pro controllers, providing real-time temperature monitoring, notifications, and logs. It can also be configured to...

Gain ultimate peace of mind with the ReefSense Digital Leak Detector. This highly sensitive, REEF-SPEC sensor connects directly to your ReefControl unit, instantly notifying you and enabling an emergency shutdown of your equipment the moment a leak is...

The digital ATO sensor and DC pump of the ReefControl ATO module connect directly to the ReefControl Pro or Lite to seamlessly add a fully featured ATO to your system without the need for an additional controller. The ATO module includes the digital ATO...

The digital ReefSense ORP probe can be connected to the ReefControl Lite or Pro controllers, providing real-time monitoring, notifications and logs. It can also be configured to automatically control DC equipment or AC equipment such as an ozonizer when...

The ReefSense pH & Temperature probe can be connected to the ReefControl Lite or Pro controllers, providing real-time monitoring, notifications, and logs. Both the pH and temperature readings can be used individually to automatically control DC...

The ReefSense Salinity & Temperature probe can be connected to the ReefControl Lite or Pro controllers, providing real-time monitoring, notifications, and logs. Both the Salinity and temperature readings can be used individually to automatically...