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OxyMax 100 Air Pump - Oase
Oase$28.99Consistent flow - Constant steady airflow. Easily adjust the air flow rate for the diffuser Quiet operation - Vibration resistant rubber feet and eye hook, and insulated housing prevent excess vibration and noise Customizable bubbling patterns - The... -
Glass Aquarium Heater 100W - Aquatop
Aquatop$28.99The GH Series offers simple and easy installation with the use of included suction cups. With the highly visible temperature setting, the GH Series is easy to set and adjust to the desired temperature with the use of the Temperature Adjustment Knob... -
Mastertronic Syringe & Needle Replacement Kit
Focustronic$28.75Replacement syringe & needle kit for the Mastertronic The set includes: 4 Plastic syringes (without needles) 6 Replacement needles -
HMA 100 Watt Titanium Heater w/Controller (20-30 Gallon) - Finnex
Finnex$27.99The Finnex Compact Electronic Titanium Heaters maintain water temperature within +/-2ºF of the set value providing a safe, healthy and stable temperature for your tank. The titanium tubes are corrosion resistant which makes these virtually... -
Salinity Probe Stability Kit (SPS) without Pump - VCA
VCA Vivid Creative$27.95This kit was created to be used in conjunction with Neptune Systems salinity/conductivity probe. It allows the probe to stay clean and fixes a well know issue with the salinity probe. Microbubbles no more. Kit Includes: Salinity... -
150 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
EHEIM$27.49With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is... -
125 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
EHEIM$27.49With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is... -
100 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
EHEIM$27.49With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is... -
HMA 50 Watt Titanium Heater w/Controller (10-20 Gallon) - Finnex
Finnex$26.99The Finnex Compact Electronic Titanium Heaters maintain water temperature within +/-2ºF of the set value providing a safe, healthy and stable temperature for your tank. The titanium tubes are corrosion resistant which makes these virtually... -
Magnet Probe Holder - Sea Side Aquatics
Bubble Magus - Seaside$25.49BUBBLE MAGUS SEASIDE AQUATICS MAGNETIC AQUARIUM QUAD (4) PROBE HOLDERHolder can fit up to four probes. It’s design to hold ph, ORP, salinity and/or temp probe.It has a magnet on the back and can be easily install on the sump wall, baffle divider or... -
Jolly Preset 12 Watt (up to 3.2 gal) - Sicce
Sicce$24.99Jolly Preset Heaters have an Auto Shut Off feature that automatically turns the heater off when temperature is reached. JOLLY plastic heaters are designed for small freshwater, marine and turtles tanks. Their plastic casing makes them very durable... -
HYDROS Slim Temperature Sensor Probe
Hydros$24.99The HYDROS Slim Temperature Sensor Probe is only 1.6” long and 0.32” wide. It’s all-black solid waterproof IP68 construction is built for years of reliable service. It is a “set it and forget it” temperature... -
HYDROS Magnet Mount Temperature Sensor
Hydros$24.99The HYDROS Temperature Sensor is an easy and affordable way to prevent your aquarium water from becoming too cold or too hot. It monitors the water temperature in your aquarium so you can keep it within the safe zone for fish, coral, and inverts. The... -
HYDROS DC Solenoid Water Valve
Hydros$24.99The HYDROS DC Solenoid Valve is a handy HYDROS Control 2 and Control 4 accessory that provides easy on/off RO or RO/DI water flow. You can connect the solenoid to your reverse osmosis filter and use it to top-off your tank if you... -
HYDROS DC Micro Pump
Hydros$24.99With a HYDROS DC Micro Pump and a HYDROS Optical Water Level Sensor (or Float Sensor), you can use the HYDROS Control 2 and Control 4 as an auto top-off (ATO) system. Just plug the pump into a Drive Port and the optical water level... -
Accessory Power Supply for DC24V Devices GRO, PMUP, SV1 (PS-DC24) - Neptune Systems
Neptune Systems$24.99110V power supply for our DC24 accessories like the PMUP, GRO Refugium LED and Solenoid Valve. You can use these when there are no available DC24 outputs on your EB832 or 1LINK but do have physical 110V outlets available. -
Sensor Extension Cable BNC5 - GHL
GHL$24.90Extension Cable 5m, male-female for our sensors with BNC connector. -
75 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
EHEIM$24.49With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is... -
50 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
EHEIM$24.49With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is... -
25 Watt Jager TruTemp Submersible Aquarium Heater - Eheim
EHEIM$24.49With the EHEIM precision heater your fish receive exactly the right temperature – in any aquarium. Obvious ideas often are the best ones. For example, the aquarium heater as a rod. The heating rod is simply hung in the water and heats it. It is... -
Apex 15' Aquabus EXTENSION Cable ( M/F ) - Neptune Systems
Neptune Systems$23.99AQUABUS EXTENSION CABLE (M/F)-VARIOUS LENGTHS The Apex is a modular system that allows you to connect many modules together in either a “daisy-chain” or star topology method. Use this cable to extend a M/M Aquabus Cable. Remember,... -
Apex 1LINK Extension Cable - 10’ Male to Female - Neptune Systems
Neptune Systems$23.991LINK is the marrying of the Aquabus communication standard, along with the power wires to drive higher power devices, all in one single cable. One of the benefits of this is to avoid the need for a DC power brick for every 24V device in your... -
HYDROS Wifi Smart Plug - Coralvue
Hydros$23.99The HYDROS WiFi Smart Plug is a smart power outlet designed to work with the CoralVue HYDROS platform. The Smart Plug has a 1 x 100-250V AC outlet that is WiFi controllable using the free HYDROS app for Android and iOS/Apple mobile devices. You can... -
Apex 15' Aquabus Cable ( M/M ) - Neptune Systems
Neptune Systems$23.99Use this cable to connect Apex Systems and modules together. The Apex is a modular system that allows you to connect many modules together in either a “daisy-chain” or star topology method. Use this cable to connect together the Apex,... -
Apex 1LINK Power Cable Male to Male - 10’ - Neptune Systems
Neptune Systems$23.994-pin male to male cable many of you have been waiting for. It is ten feet long. This cable allows you to connect your DŌS to the 1LINK thereby eliminating the need for the DŌS to be connected to a power supply brick or the AquaBus cable. Just one wire!... -
KH Director Reagent (500 ml) - GHL
GHL$23.90Highly precise and stabilized reagent solution for KH Director. Available in 500 ml and 1000 ml bottles. -
Jolly Preset 6 Watt (up to 1.6 gal) - Sicce
Sicce$22.99Jolly Preset Heaters have an Auto Shut Off feature that automatically turns the heater off when temperature is reached. JOLLY plastic heaters are designed for small freshwater, marine and turtles tanks. Their plastic casing makes them very durable... -
On Sale 23%
Jolly 20 Watt Aquarium Heater - Sicce
Sicce$29.99$22.99JOLLY plastic heaters are designed for small freshwater, marine and turtles tanks. Their plastic casing makes them very durable and safe. These heaters can be placed beneath the gravel, making them a good choice for turtle or reptile tanks. JOLLY is... -
White Small Plug A & B Cord Cut Outs/Covers - Adaptive Reef
Adaptive Reef$22.99These cut outs fit both the deluxe and standard holes for a cleaner appearance. The package contains 3x solid plugs to completely cover a hole and 3x small cord cutouts. -
Black Small Plug A & B Cord Cut Outs/Covers - Adaptive Reef
Adaptive Reef$22.99These cut outs fit both the deluxe and standard holes for a cleaner appearance. The package contains 3x solid plugs to completely cover a hole and 3x small cord cutouts. -
Apex FMM Flow Sensor – 1/4″ (FS-25) RODI - Neptune Systems
Neptune Systems$21.99Usually used with aquarium accessories like RODI inputs, calcium reactor feed lines etc., this flow sensor can be placed in line with the flow on 1/4″ tubing, connected to the FMM, and communicate to your Apex the flow rate of water... -
2 Channel AquaSurf / Apex to Stream Cable - Neptune Systems
Neptune Systems$21.99This three foot cable connects to the variable outputs built into the Apex, Apex Classic, and the VDM which has two DIN5 connectors. This enables speed control of up to two TunzeTM Stream pumps that are compatible with... -
Desktop Gravity Fed ATO Cube & Peninsula - Red Sea
Red Sea$20.95Red Sea's ATO fits perfectly on the rear compartment of the Desktop Aquarium range to maintain a consistent water level in the sump area. This allows for quiet and consistent operation of the pump and skimmer Features of the Desktop ATO by Red... -
Sensor Extension Cable BNC3 - GHL
GHL$20.90Extension Cable 3m, male-female for our sensors with BNC connector. -
Apex DC24 Extension Cable - 10’ Male to Female - Neptune Systems
Neptune Systems$19.99The 1LINK module and the EB832 have two DC24 accessory outputs built that act like additional on/off outlets for DC24 devices. There are some Neptune Systems accessories, like our PMUP, that connect to these outputs directly. There are... -
Multi-Reference Calibration Solution (100 ml) Works with Trident - Fauna Marin
Fauna Marin$19.99With the Fauna Marin Multi-Reference Solution, you can test your test kits under accurate conditions. Our Reference Solution is the first to be based on a saltwater matrix and is quality tested using our ICP-AES testing machine. We use a saltwater matrix... -
Universal Aquarium Controller Adjustable Tilt Mounting Display Board (4197) - Current USA
Current USA$19.99Seamlessly integrate any aquarium controller or monitor into your cabinet and keep things organized with this adjustable mounting system. The system features an adjustable mounting plate with hinge, allowing you to position it for the best viewing angle,... -
Apex 1LINK DIY DC24 to Bare Wire Cable - 10’ - Neptune Systems
Neptune Systems$19.99This cable connects to the 24VDC accessory connections on the 1LINK. This cable has two bare (tinned) wires on the other end so you could connect it up to a 24VDC device of your choosing so long as it draws no more than 35W. Examples might include a... -
Sensor Extension Cable BNC2 - GHL
GHL$17.90Extension Cable 2m, male-female for our sensors with BNC connector. -
GHL Doser 2.1 Maintenance Set - GHL
GHL$17.90Wear parts for 2 pumps for GHL Doser 2.1: 2x blue lids, 6x roller, 2x roller holder.