Customize your mechanical, chemical, and biological filter media or convert to a living refugium with our larger and more robust CustomCaddy media baskets. Choose between your favorite filter pads, activated carbon, ion exchange r...
CaribSea’s Arag-Alive!™ Only CaribSea’s Arag-Alive!™ Live Sands contains not just the broad spectrum of marine bacteria found in the ocean, but additional specially selected strains of marine bacteria as well. Arag-Alive!™ comp...
BIO DIGEST is a hyper-concentrated bacterial compound that satisfies two functions: Installing biological filtration and digesting aquarium waste. Packaging the ampoules under nitrogen allows for very long conservation and makes ...
Replacement Needle Wheel Impeller for the G-300 used on the ASM Mini-G skimmer
Improves the development of the biological filter and helps clean a dirty aquarium. Contains over 300 million live bacteria per teaspoonful. Breaks down organic compounds that cause dangerous conditions such as ammonia and nitrite...
A revolutionary new addition to the Chemi-pure family, Chemi-pure Blue!
Chemi-pure Blue is specially created for fantastic results in reef and marine aquariums. The new proprietary blend of premium, low-dust pelletized carbo...
Highly-concentrated ionic magnesium solution. Provides magnesium, which helps regulate the balance between calcium and carbonates in aquarium water, and is a component of aragonite, the mineral secrete...
Kit Includes: 1 x 1 micron dual density gradient sediment filter 1 x 1/2 micron carbon block prefilter 1 micron dual density gradient sediment filter is highly recommended due to longer life and cost effectiveness. Manufactured ...
The Kent Marine Sea Squirt is a revolutionary new instrument with several unique features:
Contracted length of 21" (53cm), extends to 35" (89cm) for deep tanks or hard-to-reach areas
Graduated tube is marked at each mill...
This is a fired ceramic disk that does not need to be soaked before using. Plugs fit into eggcrate and are excellent for frag grow out. Measurements: 3/4" Round with 1/2" stem length
The carbonate-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing alkalinity (”buffering capacity”)) in the same ratio as that found in natural se...
Vortex Water Flow Accelerators 1/2 Inch MPT
Vortex Nozzle for more random flow
Increase Water Flow up to 400%
High quality durable ABS plastic construction
Compact size and light weight Maximum flow rate 660 GPH
Part # : 175138 Size: 1/2" FPT x 1/2" Hosebarb
**Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eligible for price matching under our Lo...
Seachem Reef Builder ™ raises carbonate alkalinity without immediately impacting on pH. With long term use there will be a tendency to stabilize at pH 8.3. Carbonates and calcium are essential to all coral growth. If either become...
Kent Marine Replacement Blade For Proscrapers (Glass Aquariums Only!)
Pro-Scraper L, replacement blade only
Designed for glass aquariums
Flexible 316 stainless steel for smooth scraping
The calcium-bearing component of a two-part method for dosing calcium and carbonates (the substances largely responsible for increasing alkalinity (”buffering capacity”)) in the same ratio as that found in natural sea...
An organic complex of dissolved & suspended energy sources.
Reef Energy A is a unique formulation of carbohydrates, amino acids, fatty acids and suspended protein flocks which are available for direct consumption and absorption ...
For aquariums up to 13 Gallons
High Quality, Break Resistant Quartz Glass Construction
Available In A Variety Of Sizes
Suction Cups For Securing To The Aquarium
An organic complex of dissolved & suspended energy sources. Red Sea Reef Energy B is a highly concentrated complex of Vitamins & Amino acids that were found to be the limiting factors in the nutritional demands of corals and othe...
Reef safe aquarium algaecide. Controls many types of algae in marine and reef aquariums . Will not harm marine fish, corals and other invertebrates. Will not harm coralline algae. Effectively controls Green algae, Red Slime, an...
The ideal way to add mechanical filtration to many filters.
Porous, dual-layer design allows ample water flow through the Pad as waste is collected
Large Pad can easily be cut to desired size to accommodate most filters
A special 60/40 combination of 6000K and 22000K (approx) phosphor blend. It is specifically designed for reef aquariums mimicking sea water to a depth of one to twenty meters. It can be used for growing SPS corals up to 80cm in t...
Component No, 1 - ALKALINITY
B-Ionic Calcium Buffer is the original, unique, easy to use, two-component liquid supplement system. When using equal volumes of each component, the aquarist can easily maintain calcium and alkali...
AquaMaxx UltraMaxx AIO All-In-One Filter Media
Size: 8 fl. oz. treats up to 50 gallons freshwater for 6 months, or 25 gallons saltwater for 4 months.
AquaMaxx UltraMaxx AIO All-In-One Filter Media is the onl...
SeaChem MatrixCarbon is a truly unique activated carbon, bead shaped for optimal hydrodynamics. This provides maximum water flow and contact with a high density of adsorptive sites without the compacting common to granular activat...