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    …more thanmakes up for this.  Also, with its super low dust content, rinsing is quick and doesn’t require much water at all. BRS Bulk Premium ROX 0.8 Aquarium Carbon offers superior absorption, less dust, and pristine water clarity. Typically used by pharmaceutical companies to…

    $20.99 Regular Price: $

    Bulk Magnesium Chloride - Ultra Pure Magnesium Additive for your Reef Tank! Keep your reef balanced - Use with BRS Pharma Magnesium Sulfate Maintaining proper magnesium levels helps achieve the essential balance of calcium and alkalinity in your tank by preventing excess calcium carbonate…

    $23.99 Regular Price: $

    Bulk Pharma Calcium Chloride - Ultra Pure Calcium Additive for your Reef Tank! Bulk Reef Supply 2-part additives are the perfect solution to replenish the intake of calcium and alkalinity coral consumes when it grows. Using only pharmaceutical based ingredients allows you to keep a cleaner…

    $99.99 Regular Price: $

    Deionization (DI) Resin is used as the last stage of a RODI system to reduce any remaining total dissolved solids (TDS) down to undetectable levels, making perfect water for reef tanks. * Professionally Packed * Color Changing (Changes from blue to brown as it depletes) * Vacuum…

    $23.99 Regular Price: $

    Why does BRS recommend this? Water Saving Upgrade Kits are probably our most recommended RODI upgrade. If you have proper pressure (65+ PSI) we highly recommend installing the kit, because it will produce water twice as fast as a standard 75 GPD or 100 GPD membrane while cutting the amount of…

    $59.99 Regular Price: $

    Why does BRS recommend this? RO Tube Cutters are one of the secrets to working with RO tubing and making it much easier.  They give a perfect cut every time and we won’t even attempt cutting RO tubing with a razor blade because they always leave a deformation in the tubing.  A…

    $5.99 Regular Price: $

    The Faucet Diverter Adapter Kit fits virtually all kitchen faucets. This item is designed for use with our saltwater aquarium line of RO systems.* Adapts to 13/16" and 15/16" faucets* Male 27 threads

    $3.99 Regular Price: $

    …Removes yellowing, pigments, contaminants and irritants from your tank. Great low-cost alternative to our other aquarium carbons. BRS Bulk Bituminous Carbon Specifications: * Iodine Number: 1000 * Mesh Size: 6 x 10 * Hardness Number: 90   Instructions:…

    $7.99 Regular Price: $

    BRS Bulk Small Particle Lignite Carbon is a great option as a general water polisher and is very effective at removing yellowing pigments, contaminants and irritants from your tank. Both our Small and Large Particle Lignite carbon offer very good performance and are priced to be a great…

    $11.99 Regular Price: $

    …day long. Various tangs, lawn mower blennies, crabs and snails are all good options. It is also theorized that a healthy pod population will also control algae growth before it gets a chance to take root. Note: All Bulk GFO is packaged by weight   GFO Instructions

    $22.99 Regular Price: $

    Ultra Pure Magnesium Additive for 2-Part Maintenance in your Reef Tank! Maintaining proper magnesium levels helps achieve the essential balance of calcium and alkalinity in your tank by preventing excess calcium carbonate precipitation. Not all magnesium additives are created equal and the…

    $17.49 Regular Price: $

    …RODI system can be installed within minutes with the easy to use Mur-lok push-connect fittings that allow you to make leak-free connections. Bulk Reef Supply RO/DI systems only use the latest filters and components in Reverse Osmosis technology. We have designed our RO/DI units especially for…

    $149.99 Regular Price: $

    …air that may deplete the resin while it's waiting to be used. Our resin can remain packaged this way for 2 years without losing its capacity. Our bulk DI bags are perfect for reefers who process a lot of water or otherwise go through resin quickly. The bags are resealable via a featured zipper lock.…

    $11.99 Regular Price: $

    Number 10 Replacement Scalpel Blade works with # 3 Scalpel Handles. Scalpel blades are extremely handy for fragging leathers, mushrooms, and other soft corals.   Each blade is individually packaged and sterilized with Gamma Radiation. The blades can be used multiple times but do…

    $0.49 Regular Price: $

    …come close.  Even though they are a bit more expensive than other brands, their performance makes them worth every penny.   Bulk Reef Supply carries the Pentair Aquatics line of UV Equipment because we feel they product some of the best UV sterilizers available to the aquarium…

    $399.99 Regular Price: $

    …Elements require a temperature controller to monitor your tank's temperature, and power the heaters on and off as needed. We really like to use the Bulk Reef Supply Aquarium Heater Controller to create a stand-alone heater management system, but works great with full-blown aquarium controllers like…

    $45.99 Regular Price: $

    …64 Ounces * 128 Ounces   BRS Bulk Biopellets are made from 100% natural Polyhydroxyalkanoates or PHA and are an excellent solid carbon source for denitrifying bacteria in the aquarium.   BRS Bulk Biopellets are produced by a leader in the industry, designed…

    $29.99 Regular Price: $

    Why does BRS recommend this? Bulk Reef Supply tried many different water level switches and auto top off solutions before giving the Tunze 3155 Osmolater Universal Auto Top Off BRS Recommended status. Despite its higher price this is by far our favorite solution. Spending the extra money on a…

    $199.99 Regular Price: $

    …but produce much better results and are much more efficient!   Two Sizes Available: 1.4 lb Single Cartridge Refill 8.1 lb Bulk Package - up to 6 single cartridge refills   Deionization Resin Reverse osmosis systems can remove up to 99% of contaminants…

    $14.99 Regular Price: $

    Bulkheads are used to attach plumbing to aquariums and sumps to allow water to flow through them. These low profile reef safe bulkheads are made from black ABS plastic. Our supplier manufactures these slightly thicker than competitor aquarium bulkheads making them more reliable. Bulkheads come…

    $4.99 Regular Price: $

    …life. DI Resin is necessary to reduce Total Dissolved Solids (TDS) to zero and is the last stage of an RO/DI unit. Resin is sold in economical bulk bags as well as single use pouches. The resin is designed to be used with one of our refillable DI cartridges. This refillable design saves a small…

    $13.99 Regular Price: $

    90% Hatch-Out Rate Bulk Reef Supply's Premium Brine Shrimp Eggs (artemia nauplii) will produce a minimum of 245 thousand baby brine shrimp per gram of cysts making it one of the highest yielding brine shrimp eggs available. Hatching brine shrimp eggs is super simple with a hatchery which you…

    $11.99 Regular Price: $
    Out of Stock

    Everything you need to maintain calcium & alkalinity in your reef tank! BRS Kalkwasser is not your typical calcium hydroxide. It is made from an ultra-pure source that contains extremely low amounts of aluminum and compared to traditional kalkwasser you can actually see the difference.…

    $62.99 Regular Price: $

    Ultra-pure Kalkwasser for Reef Tanks! BRS Pharma Kalkwasser is not your typical calcium hydroxide. It is made from an ultra-pure source that contains extremely low amounts of aluminum and compared to traditional kalkwasser you can actually see the difference. If you are adding Kalk to your ATO…

    $256.99 Regular Price: $

    …Daily Magnesium Requirement - 32.4 mL(161.2 mL / 5 days)\n \n What's Included?\n 1xBRS 7lb Bulk Pharma Calcium Chloride\n 1xBRS 7lb Bulk Pharma Soda Ash\n 1xBRS7lb Bulk Pharma Magnesium Chloride\n 1xBRS 7lb Bulk Pharma Magnesium Sulfate\n 1x Tropic Marin 1kg Part C\n 1x Tropic Marin 500ml Pro-Coral…

    $169.99 Regular Price: $

    Ideal for large changes in alkalinity levels or daily dosing in aquariums with high pH.  Bulk Pharma Sodium Bicarbonate - Ultra-pure Alkalinity Additive for your Reef Tank! Bulk Reef Supply 2-part additives are the perfect solution to replenish the intake of calcium and…

    $99.99 Regular Price: $

    Bulk Magnesium Sulfate - Ultra Pure Magnesium Additive for your Reef Tank! Keep your reef balanced - Use with BRS Pharma Magnesium Chloride Maintaining proper magnesium levels helps achieve the essential balance of calcium and alkalinity in your tank by preventing excess calcium carbonate…

    $99.99 Regular Price: $

    BRS Bulk Large Particle Lignite Carbon is a great option as a general water polisher and is very effective at removing yellowing pigments, contaminants and irritants from your tank. Both our Small and Large Particle Lignite carbon offer very good performance and are priced to be a great…

    $10.99 Regular Price: $

    Bulk Magnesium Chloride - Ultra Pure Magnesium Additive for your Reef Tank! Keep your reef balanced - Use with BRS Pharma Magnesium Sulfate Maintaining proper magnesium levels helps achieve the essential balance of calcium and alkalinity in your tank by preventing excess calcium carbonate…

    $99.99 Regular Price: $

    Bulk Soda Ash - Ultra Pure Alkalinity Additive for your Reef Tank! Bulk Reef Supply 2-part additives are the perfect solution to replenish the intake of calcium and alkalinity coral consumes when it grows. Using only pharmaceutical grade ingredients allows you to keep a cleaner reef with…

    $23.99 Regular Price: $

    Bulk Pharma Calcium Chloride - Ultra Pure Calcium Additive for your Reef Tank! Bulk Reef Supply 2-part additives are the perfect solution to replenish the intake of calcium and alkalinity coral consumes when it grows. Using only pharmaceutical based ingredients allows you to keep a cleaner…

    $23.99 Regular Price: $

    Ideal for large changes in alkalinity levels or daily dosing in aquariums with high pH.  Bulk Pharma Sodium Bicarbonate - Ultra-pure Alkalinity Additive for your Reef Tank! Bulk Reef Supply 2-part additives are the perfect solution to replenish the intake of calcium and…

    $22.99 Regular Price: $