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5lb Aquarium CO2 Cylinder

$79.99
High quality 5lb aluminum CO2 cylinder. The perfect size for almost all planted tanks. Dimensions: 5 1/4" D x 18" H CO2 Capacity: 5 lb Sherwood USA Valve Made of high strength 6061-T6 Aluminum alloy Tested in excess of 100,000 cycles at service...
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10lb Aquarium CO2 Cylinder

$124.99
Save time and money with a 10 lb cylinder. The increased capacity will allow you to refill less often and save money when you refill. In general, the average cost of refilling a 10 lb cylinder is not much more than that of a 5 lb cylinder and you get...
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Brass Permaseal

$4.99
Brass permaseal provides a permanent seal for the connection between your CO2 regulator and cylinder. High quality brass seal.
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Nylon Seal

$0.75
Nylon replacement seal for the connection between the CO2 regulator and cylinder. This seal needs to be replaced every time the CO2 cylinder is refilled. Nylon replacement seal. Replace every time you refill your CO2 cylinder.
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Atomic Check Valve

$9.99
Atomic series check valve with super low 1psi cracking/opening pressure. Permits flow of CO2 in one direction only. Mount inline. Compatible with our CO2 resistant tubing. Easy view arrow marks the direction of flow - away from your regulator. No CO2...
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Industrial Check Valve

$14.99
Gray industrial check valve with low 1 psi cracking pressure, stainless steel spring and ball. Permits flow of CO2 in one direction only. Mount inline. Compatible with our CO2 resistant tubing. 2.98 inch length speed fit tubing fittings Buna-N...
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Milwaukee MC122 pH Controller

$140.00
With Milwaukee's MC Controllers you can monitor and control pH and/or ORP levels. The Milwaukee Instruments "MC" Controllers have a user selectable set point and a visual "Power Activated" LED notification light. Power to the controller box is turned on...
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