CO2 Supermarket Reviews

John D. Verified Buyer 17th May 2024 Nice unit and works well. Advisible to fit a check valve below it, otherwise the water will siphon out of it Nice unit and works well. Advisible to fit a check valve below it, otherwise the water will siphon out of it Inline Glass CO2 Bubble Counter

Jamie K. Verified Buyer 17th May 2024 Not used it yet as still getting other bits to start my tank, but no issues with delivery and it all looks good Not used it yet as still getting other bits to start my tank, but no issues with delivery and it all looks good Pro Aquarium CO2 System for Planted Tank 20L - 500L+

Beth W. Verified Buyer 16th May 2024 I can't seem to stop getting aquariums and this is my third kit from CO2 Supermarket and always excellent quality and made to last. I can't seem to stop getting aquariums and this is my third kit from CO2 Supermarket and always excellent quality and made to last. Nano Aquarium CO2 System for Planted Tank 20L - 100L

Ian W. Verified Buyer 15th May 2024 Great to be able to connect a larger cylinder and very handy that the valve can be easily detached so only a small hole is needed in the countertop for the hose to feed through. A bit of upfront cost but it'll pay for itself in no time Great to be able to connect a larger cylinder and very handy that the valve can be easily detached so only a small hole is needed in the countertop for the hose to feed through. A bit of upfront cost but it'll pay for itself in no time SodaStream Cylinder Refilling Adapter

Richard S. Verified Buyer 15th May 2024 Fast delivery good item Fast delivery good item Quooker Cylinder Connection Hose (DIN 477 - UK / Europe)

Angus H. Verified Buyer 14th May 2024 Great bit of kit, works exactly as it should. Great bit of kit, works exactly as it should. UP pH CO2 Controller for Planted Aquariums

Michael R. Verified Buyer 14th May 2024 Comes with everything needed Comes with everything needed Pro Aquarium CO2 System for Planted Tank 20L - 500L+

Bill J. Verified Buyer 12th May 2024 Good product good price. Good product good price. CO2 Drop Checker Solution 15ml

Adrian K. Verified Buyer 10th May 2024 Really good system and has been bubbling away nicely for a few weeks now and the plants are even pearling with oxygen, which I think means they're happy with their new CO2. Really good system and has been bubbling away nicely for a few weeks now and the plants are even pearling with oxygen, which I think means they're happy with their new CO2. Ultimate-Pro Dual Stage CO2 System for Planted Aquarium Tank 20L - 500L+

Gavin C. Verified Buyer 10th May 2024 Seems to work really well, can't see any backflow with this installed. Seems to work really well, can't see any backflow with this installed. Stainless CO2 Check Valve