7 Watt UV Submariner - Replacement 3pk Sponges
Cloudy aquarium water is caused by fine suspended particles such as algae, silt, and bacteria. These particles usually carry a negative charge as does most filter media. The filter media, therefore, repels these particles, and wat...
Use Garlic Solution for the treatment of finicky eaters. Garlic Solution is a garlic and vitamin C food soak that will increase the appetite of finicky eaters. It is safe for use in both freshwater and saltwater aquariums. Garlic...
KNOP Replacement CO2 Filter Bracket for S IV Calcium Reactor (2pcs)
OCEAN CURRENTS—1/2 IN COUPLING (FPT). 1/2 inch Coupling FPT.
SMC Ball Valve 1/8 in FPT x 1/8 in MPT
**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 Low Price ...
Nu-Clear Canister Filter Replacement Filter Lid for all Nu-Clear Canister Filters
Why is boron required? Boron is present in NSW (Natural Sea Water) in a moderately low concentration (4.4 - 4.8 mg/L or ppm). It is present predominantly as boric acid and to a lesser extent as borate. It has several important...
Precision Kalkwasser is a tried and true method for supplementing calcium and maintaining KH/alkalinity levels in marine aquariums. Experts have used Kalkwasser for many years, and few products compare to its effectiveness. Its pr...
Seachem Clarity is the ultimate clarifier for both fresh and saltwater. It employs an advanced polymeric flocculating agent that is both reef and plant safe. Clarity is the only clarifier on the market that does it all! Clarity wi...
Our best carbon filter for Chloramine removal!
More than 20 percent of municipalities use chloramine for water treatment instead of chlorine. Standard carbon block filters only treats for chlorine and will allow ammonia and o...
Replacement Cup O-Ring for AquaMaxx Nano Calcium Reactor
Ultimate Mechanical filtration medium for crystal clear water. Pre-Filtration nexx® removes organic aquarium pollutants. Removes impurities for improved growth of corals in saltwater and plants in freshwater aquariums.
The ring controls shape and size of the fan-shaped flat stream outlet on the Pulser and the Rotating/Pulser. Three selectable options:
4 discreet holes in a fan shape
A narrow slot
A wide slot
Cartridge Plug for Lifegard Aquatics AF-94/93 Mechanical/Chemical Filter
Captive Sun Ballast
NYOS® ZEO is a high-quality, specially adapted zeolite mixture for seawater aquariums.
Simple nitrate reduction to the detection limit
Prevention of algae plagues
For natural water values