CO2

The MC Monitors are designed to continuously monitor pH, EC or TDS values directly in your reservoir. Each unit features a user select able set-point. An LED visual alarm is activated and flashes...

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...

The Milwaukee Instruments MA957 adjustable flow CO2 pressure regulator has two valves to independently measure flow rate and remaining CO2 tank contents (CO2 tank sold separately). Each valve has...

The solenoid valve is an accessory for the MC122 and the MC125 to automate your dosing of CO2 and makes sure that the plants of your aquarium are always healthy.

The new V2.0 allows for the aquarist to position the CO2 cylinder out of the way in a remote area. Then mounting the "box" anywhere such as up on a board with all the electronics/pH...

After years of experience with CO2 systems, we discovered why consistent "bubble counts" are, most of the time, impossible. Here's why: ALL check valves, even expensive ones, have a "high crp" or...

CarbonDoser CO2 Resistant 10' Polyurethane Tubing

*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* The Classic CR618 GEN 3 will hold 12 pounds of large grain media and is suitable for...

*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* The Super Silent Extreme CR618 SSE will hold 12 pounds of large grain media and is...

*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* The Super Silent Extreme CR818 SSE will hold 24 pounds of large grain media and is...

*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* The Super Silent Extreme CR618 SSE will hold 12 pounds of large grain media and is...

*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* The Super Silent Extreme CR818 SSE will hold 24 pounds of large grain media and is...

*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* The Classic CR818 GEN 3 will hold 24 pounds of large grain media and is well suited...

The NR618 shown will hold roughly 15 pounds of sulfur media in the chamber and is well suited for heavy loaded aquariums up to 200 gallons. Nitrate Reducing Sulfur reactors are the most underrated...

The NR818 shown below will hold roughly 20 pounds of sulfur media in the chamber and is well suited for heavy loaded aquariums up to 300-600 gallons. Nitrate Reducing Sulfur reactors are the most...

The NR618 shown will hold roughly 15 pounds of sulfur media in the chamber and is well suited for heavy loaded aquariums up to 200 gallons. Nitrate Reducing Sulfur reactors are the most underrated...

Compact but mighty new aluminum 2.5 lb CO2 cylinder. The ideal tank for so many uses. It’s perfect to pour beer and beverages at home, in addition to great pouring on the go. Plus, it’s a great...

*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* The Classic CR818 GEN 3 will hold 24 pounds of large grain media and is well suited...

EHEIM CO²Set600 without bottle Aquarium water usually contains too little carbon dioxide (CO2) as it has already been extracted from the tap water at the waterworks. In addition to light, nitrogen,...

The NR818 shown below will hold roughly 20 pounds of sulfur media in the chamber and is well suited for heavy loaded aquariums up to 300-600 gallons. Nitrate Reducing Sulfur reactors are the most...

*******THESE REACTORS ARE IN STOCK AND WILL SHIP SAME DAY NEXT DAY - NO NEED TO WAIT FOR THEM TO BE BUILT******* The Classic CR618 GEN 3 will hold 12 pounds of large grain media and is suitable for...