Premium Color-Indicating Mixed Bed DI Resin Refill Nuclear Grade. Contains enough DI resin to fill one 10" cartridge. Don't have...

Premium NON Color-Indicating Mixed Bed DI Resin Refill Nuclear Grade. Contains enough DI resin to fill one 10" cartridge. Don't...

The TUNZE® Osmolator 3 nano is a simple and safe device with just one sensor for maintaining a constant water...

Straightforward and safe water level controller for fresh and sea water with optical control sensor and independent thermal safety sensor....

This 5" x 8" x 1" zippered neoprene pouch is great for safely storing Apogee meters, microCache devices, and sensors....

DOS- Quiet Drive The best selling dosing pump has gotten better and what’s that- quieter! ▪ 1.5 times quieter (4...

The CoralVue HYDROS Auto Top-Off Kit Includes: HYDROS Triple Water Level Sensor (plugs into HYDROS Sense Port), HYDROS DC Micro...

1 Micron Sediment Replacement Filter Can be used in any standard full size RO unit. Recommend changing every 4-6 months...

MATRIKX® CTO Plus filters, powered by GREENBLOCK, are made from 100% coconut shell carbon, a renewable, and ecologically sustainable material....

.5 Micron Sediment Replacement Filter Comes Standard with Spectra Deluxe Units Can be used in any standard full size RO...

HYDROS Float Switch with Magnetic Mount The HYDROS Magnetic Float Switch Sensor is a simple yet effective water level sensor...

World’s Smallest Dual-Sensor Aquarium Auto Top Off   Features: NEW! Controller programming & circuitry for added system protection NEW! Improved...

The PMUP is a multi-purpose pump that can be used for many different tasks on your aquarium.   Power supply not...

The HYDROS Dosing Pump is a simple and affordable way to automate the addition of liquid supplements, trace elements, and...

Smart Level Security by AutoAqua prevents aquariums from overflowing or equipment from running dry. Magnetically coupled optical sensor mounts up...

BRS PRO Series Cation DI Resin (Color Changing) - Part 1 of 3 Changes from Purple to Amber when exhausted...

Poly-P Float Valve with Adjustable Arm, 1/4in Tubing Jaco Fitting Mini PVC Float Valve, 1/4" Tubing Inlet, Adjustable Arm, .093...

5 Micron Carbon Replacement Filter Can be used in any standard full size RO unit. Recommend changing every 4-6 months...

Includes 1- 0.5 micron RO sediment & 1- 1micron RO carbon filter

Bubble Magus Dosing Pump Replacement Head

3 Water Level Sensors for Added Redundancy The HYDROS Triple Optical Water Level Sensor can be used for a variety...

Replacement dosing pump with low voltage 3-12 V DC for Osmolator®, power with 4 mm (.2") hose at 12 V:...

THESE ARE BRAND NEW BUT HAD TO BE REPACKAGE BECAUSE THE BOX GOT WET- EVERYTHING LOOKS GOOD SO THERE SHOULD...

BRS 1.5 gallons (7.5 lbs.) DI Resin DI Resin is necessary to reduce Total Dissolved Solids (TDS) to zero and...

Liquid Doser with WiFi and Bluetooth Connectivity   Obtain flexible and precise control of liquid additions into an aquarium. It's...

CarbonDoser Electronic CO2 Regulator V2.0 (complete system: with remote box option)   Now sold with the TUNZE (German Built) Regulator...

Thin Film Composite (TFC) Membranes for standard RO systems and the RO Buddie. Features: Polyamide membrane material with a negative...

Simplicity 5L Modular Dosing Container

Fits ReefATO+   Red Sea Replacement ReefATO+ Reef Sensor V2

Bottle Adapters Doser Tubing-to-Bottle adapter plugs Seamlessly connect dosing pump tubing to supplement bottles   Seachem Bottle Adapter Plugs come...

Bottle Adapters Doser Tubing-to-Bottle adapter plugs Seamlessly connect dosing pump tubing to supplement bottles   Seachem Bottle Adapter Plugs come...

HYDROS Sense Port Accessory   Monitor your RO/DI units' water quality with HYDROS Dual Inline TDS Sensor. Plugs directly into...

VX-1 – An individual pump with a universal 24v power supply. This also includes a mounting triangle to mount the...

Kolar Labs Empty RO Cartrige

Kolar Labs DI Resin Color Indicating In Canister   KOLAR FILTRATION IS THE EXCLUSIVE DISTRIBUTOR FOR LANXESS Lewatit® NM-65 DI...

Average NaCl Rejection: 98% Permeate Flow @ 60 PSI: 100 GPD Specifications are based on 500 mg/L NaCl solution at...

Mount is compatible with Kamoer X1(Bluetooth), Kamoer F1, and HYDROS Single Dosing Pump. (Dosing pump NOT included)   Single Dosing...

AutoAqua Digital Inline TDS - Titanium S2 Titanium One is the smallest inline TDS meter available on the market. It...

Neptune Replacement Head Cap for Dosing Pump Complete assembly includes cover, peri-tube, fittings and roller wheel. Neptune Systems recommends that...

AquaFX Reverse Osmosis System Booster Pump Kit   Excellent for Reverse Osmosis systems Up to 150 GPD  Fixes Low-Pressure Problems...

The Economy RODI is a Reverse Osmosis and Deionization system. The standard unit comes with 1-micron sediment filtration, a carbon...

Smart. Safe. Quiet. The ReefATO+ is designed to maintain a stable salinity and water volume in a reef aquarium by...

Modular Dosing Container Perfect Dosing Partner Organize your dosing solutions, top off your water or other solutions and keep your...

Red Sea ReefDose Tubes 4 x 3m(10’)  Red-Yellow