Shop for Freshwater Substrates

Functional and beautiful aragonite substrate for all types of marine aquariumsContains millions of beneficial marine bacteria to enhance biological filtrationChoose the style that's right for your particluar marine aquarium setupBeautiful marine substrate packed with millions of heterotrophic, autotrophic, and chemolithotrophic bacteria. Huge beneficial bacteria population aids in waste reduction and dramatically reduces cycling time in new setups. Use alone or to kick-start existing substrate bed. Arag-Alive is specially egineered to supress "new tank syndrome" and compress the ammonia cycle. It's like having a nitrite and nitrate filter, ammonia reducer, and a high-capacity biological filter for your marine aquarium. Includes Bio-Magnet clarifier to clear water fast and enhance biological efficiency. Arag-Alive marine substrates contain aragonite, a source of calcium, carbonate, and beneficial trace elements to, naturally maintain proper pH without the constant addition of chemicals. Contains more surface area for bacterial adhesion: approximately 20,000 square inches per cubic inch for unsurpassed performance in reducing nitrate, nitrite, and ammonia. Never needs to be replaced and works with natural bacteria to enhance performance over the full life of your aquarium. Lowest in phosphate and does not contain tar, harmful organics, silica, or other impurities. Used by the foremost public aquariums, research and government institutions, and professionals worldwide.Available in 3 grades for use in all applications: 1-2 mm diameter for plenums or for deep beds, 2-4 mm for sumps, mixed grades for jaw fish, and 0.5-1 mm for Berlin systems. Contains 381,000 ppm calcium, 7,390 ppm strontium, 1,050 ppm magnesium, 590,000 ppm carbonate (buffer), and 56 ppm potassium. Arag-Alive also provides molybdenum, barium, boron, selenium, beryllium, and other essential ocean trace elements. -->Fiji Pink Sand0.5-1.5 mm; available in 20 lb water packed bagSpecial Grade Sand1.0-2.0 mm;

Sparkling, colorful substrate sure to brighten any aquariumColorfast and aquarium safe decorative gravel6 flashy, fun colors to personalize your aquariumColorfast and aquarium-safe plastic substrate is the perfect finishing touch for your aquarium. Aqua Gems add instant appeal and dazzling, shimmering color in shades sure to brighten any decor. Select one of 6 different sparkling colors, or mix and match for a rainbow of colors. Gems can be used alone or mixed with gravel for a more subtle shine. Use at least 1 bag per 1/2 gallon. Please specify Razzle Dazzle Blue, Pink Fusion, Sea Mist Green, Vibrant Purple, Sparkling Yellow, or Electric Orange.Please click on "More Information" for instructions.

Sparkling, colorful substrate sure to brighten any aquariumColorfast and aquarium safe decorative gravel6 flashy, fun colors to personalize your aquariumColorfast and aquarium-safe plastic substrate is the perfect finishing touch for your aquarium. Aqua Gems add instant appeal and dazzling, shimmering color in shades sure to brighten any decor. Select one of 6 different sparkling colors, or mix and match for a rainbow of colors. Gems can be used alone or mixed with gravel for a more subtle shine. Use at least 1 bag per 1/2 gallon. Please specify Razzle Dazzle Blue, Pink Fusion, Sea Mist Green, Vibrant Purple, Sparkling Yellow, or Electric Orange.Please click on "More Information" for instructions.

Sparkling, colorful substrate sure to brighten any aquariumColorfast and aquarium safe decorative gravel6 flashy, fun colors to personalize your aquariumColorfast and aquarium-safe plastic substrate is the perfect finishing touch for your aquarium. Aqua Gems add instant appeal and dazzling, shimmering color in shades sure to brighten any decor. Select one of 6 different sparkling colors, or mix and match for a rainbow of colors. Gems can be used alone or mixed with gravel for a more subtle shine. Use at least 1 bag per 1/2 gallon. Please specify Razzle Dazzle Blue, Pink Fusion, Sea Mist Green, Vibrant Purple, Sparkling Yellow, or Electric Orange.Please click on "More Information" for instructions.

Sparkling, colorful substrate sure to brighten any aquariumColorfast and aquarium safe decorative gravel6 flashy, fun colors to personalize your aquariumColorfast and aquarium-safe plastic substrate is the perfect finishing touch for your aquarium. Aqua Gems add instant appeal and dazzling, shimmering color in shades sure to brighten any decor. Select one of 6 different sparkling colors, or mix and match for a rainbow of colors. Gems can be used alone or mixed with gravel for a more subtle shine. Use at least 1 bag per 1/2 gallon. Please specify Razzle Dazzle Blue, Pink Fusion, Sea Mist Green, Vibrant Purple, Sparkling Yellow, or Electric Orange.Please click on "More Information" for instructions.

Sparkling, colorful substrate sure to brighten any aquariumColorfast and aquarium safe decorative gravel6 flashy, fun colors to personalize your aquariumColorfast and aquarium-safe plastic substrate is the perfect finishing touch for your aquarium. Aqua Gems add instant appeal and dazzling, shimmering color in shades sure to brighten any decor. Select one of 6 different sparkling colors, or mix and match for a rainbow of colors. Gems can be used alone or mixed with gravel for a more subtle shine. Use at least 1 bag per 1/2 gallon. Please specify Razzle Dazzle Blue, Pink Fusion, Sea Mist Green, Vibrant Purple, Sparkling Yellow, or Electric Orange.Please click on "More Information" for instructions.

Aquarium Gravel

Aquarium Gravel

Epoxy coated aquarium gravel/sand

Coated Aquarium Gravel