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Aqua Medic Bubble Counter
Aqua Medic Bubble Counter
List Price: $22.95
Our Price: $19.88
You save $3.07!

The Bubble Counter is a simple and safe unit for monitoring the dosage of CO2 gas into aquaria and filter components. Designed to be installed in the low pressure section of your gas delivery system, the Bubble Counter visually displays the flow rate of CO2 gas as it is being delivered.
Red Sea CO2 Bubble Counter with Integrated Check Valve
Red Sea CO2 Bubble Counter with Integrated Check Valve
List Price: $31.99
Our Price: $21.88
You save $10.11!

Compact, Easy to use bubble counter with integrated check valve.  Check valve protects the gas system from backflow of aquarium water.
Provides an accurate measurement of the CO2 flow rate
Red Sea Co2 Needle Valve
Red Sea Co2 Needle Valve
List Price: $65.99
Our Price: $43.88
You save $22.11!

The independent needle valve is designed to be mounted on the side of the aquarium enabling easy access for fine flow adjustment or complete shut off. The CO2 Cylinder / Regulator can be located out of site, behind or under the aquarium.
Red Sea Co2 Reactor 500
Red Sea Co2 Reactor 500
List Price: $63.99
Our Price: $49.88
You save $14.11!

The Red Sea Co2 Reactor 500 efficiently dissolves CO2 into aquarium water. This fully adjustable, power driven, super compact CO2 reactor will simply and efficiently maintain the desired level of CO2 in a wide range of planted aquariums. The turbulent flow CO2 / water interface inside the reactor ensures almost complete dissolving of available CO2 while non-dissolvable gases are gently vented to the water surface.
Aqua Medic Solenoid Valve
Aqua Medic Solenoid Valve
List Price: $71.95
Our Price: $64.88
You save $7.07!

The M-Ventil M-Ventil Standard 2.5 watt solenoid valve is essential for the controlled dosage of CO2, providing positive gas flow shutoff when switched off by your pH Controller or pH Computer. The M-Ventil Standard has a high quality body manufactured from nickel plated brass.
Tunze Pressure Regulator for CO2 Systems
Tunze Pressure Regulator (7077/2) for CO2 Systems
List Price: $109.99
Our Price: $69.88
You save $40.11!

Precision unit with fine adjustment, for conventional CO2 cylinders; thread in keeping with German standard DIN 477.

For all Standard co2 cylinders.
Red Sea Co2 Control Solenod Valve
Red Sea Co2 Control Solenod Valve
List Price: $139.99
Our Price: $84.88
You save $55.11!

Solenoid for automating dosing of CO2.  Too much CO2 can reduce the pH in an aquarium to levels that are stressful for fish. For the safe use of CO2 it is highly recommended to automate the CO2 system with either a simple time switch or by a pH controller. The in-line solenoid Control Valve connects the CO2 system with either of these devices.
Red Sea Co2 Presssure Regulator
Red Sea Co2 Presssure Regulator for Standard Co2 Cylinders
List Price: $219.99
Our Price: $119.88
You save $100.11!

The Red Sea CO2 Pressure Regulator features dual gauges and an independent needle valve. Full-featured safety regulator with independent needle valve. Designed specifically for aquarium use, the Pressure Regulator and Needle Valve are independent units connected by low-pressure CO2 tubing.

The high precision fine-flow valve is designed to be mounted on the side of the aquarium enabling easy access for regular flow adjustment or complete shut off. Easily upgradeable for automatic control with an in-line solenoid control valve.
Aqua Medic CO2 Regulator
Aqua Medic CO2 Regulator
List Price: $160.95
Our Price: $144.88
You save $16.07!

The Aqua Medic CO2 Regulator is a precision German regulation valve for standard CO2 cylinders. High quality nickel plated brass housing operates at a fixed working pressure of 22 PSI and includes two pressure gauges to monitor both the cylinder and working pressures. For exacting bubble counts in critical applications like Calcium Reactors and CO2 Reactors, the needle valve allows fine tuning and adjustment.
Red Sea 5lb CO2 Cylinder
Red Sea 5lb CO2 Cylinder (Refillable) with Standard Valve
List Price: $239.99
Our Price: $161.88
You save $78.11!

Red Sea 5 lb. CO2 Cylinder with standard valve.  The Red Sea "standard refillable bottle" is shipped empty.
Red Sea Co2 System 500 Kit
Red Sea Co2 System 500 Kit (for Standard Bottles)
List Price: $275.99
Our Price: $173.88
You save $102.11!

Red Sea is pleased to introduce an exciting new CO2 system for aquariums. The Pro System is a complete, efficient and user-friendly system to maintain a desired level of CO2 in aquariums from 10 to 125 gallons (40 to 500 Liters).