Seachem Inline Diffuser 17mm Minimizes the visibility of CO2 equipment in the aquarium Ensures maximum dissolution of CO2 in aquarium water Allows for more consistent dosing of CO2 Compatible with 16 mm ID/22 mm OD hoses The 17 mm glass...

Seachem Inline Diffuser 13mm Minimizes the visibility of CO2 equipment in the aquarium Ensures maximum dissolution of CO2 in aquarium water Allows for more consistent dosing of CO2 Compatible with 12 mm ID/16 mm OD hoses The 13 mm glass...

Seachem Spiral Bubble Counting Diffuser 23mm For aquariums up to 75 L-190 L (20-50 US gallons) Large surface area of diffuser disc ideal for high volumes of CO2 gas Built in bubble counter makes the use of a separate bubble counter...

Seachem Bubble Counting Diffuser 17mm Monitor rate of CO2 injection For aquariums up to 75 L (20 US gallons) Low profile design excellent for minimizing the visibility of the diffuser Simple and easy to use The Bubble Counting Diffuser is a...

Seachem Slanted Diffuser 15mm For aquariums up to 75 L (20 US gallons) Low profile design excellent for minimizing the visibility of the diffuser Simple and easy to use The Slanted Diffuser is a pollen style CO2 diffuser that connects to...

Seachem Beetle Diffuser 30mm For aquariums 75-190 L (20-50 US gallons) Preferred pollen-style diffuser for large aquaria or high-growth aquaria Large surface area of diffuser disc ideal for high volumes of CO2 gas The 30 mm glass Beetle...

Seachem Beetle Diffuser 27mm For aquariums 75-190 L (20-50 US gallons) Preferred pollen-style diffuser for large aquaria or high-growth aquaria Large surface area of diffuser disc ideal for high volumes of CO2 gas The 30 mm glass Beetle...

Seachem Glass Feeder 40mm Diameter An elegant solution for storing food and feeding For pelleted and flake foods such as Seachem NutriDiet™ flakes Suitable for all aquarium types Easy to fill and use The Glass Feeder is a simple and elegant...

Seachem Bubble Counter 17mm Diameter Monitor rate of CO2 injection Minimizes the visibility of CO2 equipment in the aquarium Suitable for all aquarium sizes Simple and easy to use The Bubble Counter is a simple and elegant tool for...

Seachem pH Checker 25mm Diameter Monitors pH solution in aquarium Easy-to-read color changing indicator solution included Recommended for planted aquaria with CO2 injection systems The pH checker is a glass pH monitor that comes with pH...

Seachem Glassware U Tube 20mm Ideal for aquarium airline or CO2 tubing 20 mm size is suitable for rimless aquariums Great for use with CO2 injection systems or bubblers The 20 mm glass U Tube allows you to easily run airline (preferably...

Seachem Glassware U Tube 10mm Ideal for aquarium airline or CO2 tubing 10 mm size is suitable for rimless aquariums Great for use with CO2 injection systems or bubblers The 10 mm glass U Tube allows you to easily run airline (preferably...