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...
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...
Hose Locking T Connectors for use with flexible tubing to plumb the Turbo-Twist U.V. Sterilizer or any other hose application.
Fine Filter Pad for Eheim Aquaball Internal Filter 2208–2212, for mechanical filtration.
1" x ½" Sea Swirl Bushing
If you’ve got a canopy to match your stand, we’ve got you covered. SingleStrip Retro-fit Hardware Kit securely mounts your SingleStrip to the underside of the canopy while creating the neces-sary space for optim...
1/2" MPT 3" Riser
Filter Sponge Coarse L (2PK) for ViaAqua 650 and 750 Canister filter.
KNOP Replacement CO2 Filter Bracket for S IV Calcium Reactor (2pcs)
Cartridge Plug for Lifegard Aquatics AF-94/93 Mechanical/Chemical Filter
OCEAN CURRENTS—1/2 IN COUPLING (FPT). 1/2 inch Coupling FPT.
Brass Tee - 1/8" NPT x 1/8" FPT x 1/8" FPT For use with RO system pressure gauges.
**Variations of this product can be found in many online stores. The version we carry is of the highest quality. Although this item is eli...
Color: Gray John Guest Part# : PM050822S Stem O.D.: 5/16" Thread NPTF: 1/4" How to make a connection 1. Cut tube square Cut the tube square. It is essential that the outside diameter be free of score marks and that burrs and shar...
Replacement Impeller for the Submariner UV Sterilizer
Filter Cartridge for Eheim Internal Filter 2006 (2 pcs)
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