Green Bubble CO2 Nut – a cap for the bottle in a home CO2 kit
Replacement cap for standard cola bottles, used to build a sealed homemade CO2 system for planted aquariums…
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Find a productWeight
0 kg
Brand
Aquario
SKU
GREEN BUBBLE CO2 NUT
EAN
5905280168042
Category
CO₂ systems for aquariums
Product description
This cap is for aquarists who make their own CO2 for planted tanks and need a bottle closure that holds pressure and won't leak. It fits standard cola bottles and gives a sealed connection for the hose, so the gas can reach the aquarium instead of escaping through the cap.
Why it matters
- The cap is made to tolerate strong tightening without cracking, so it can be sealed firmly during setup.
- It is rated for pressure up to 5 bar, which covers the pressure a homemade system produces.
- A built-in gasket provides a fully airtight seal between the cap and the bottle.
- Handles at the top and bottom of the cap hold standard 6 mm CO2 hoses in place.
Specifications
- Brand: Aquario
- Model: GREEN BUBBLE CO2 NUT
- EAN: 5905280168042
- Bottle type: standard cola bottle
- Hose diameter: 6 mm
- Maximum pressure: 5 bar
- Sealing: built-in gasket
What it works with
The cap is intended for homemade CO2 systems that use either a fermentation method or a mixture of baking soda and acid, with the gas delivered to a planted aquarium through a 6 mm hose. It is designed for standard cola bottles, so the bottle and the cap together form the complete gas generator.
Technical specification
Brand
Aquario
SKU
GREEN BUBBLE CO2 NUT
EAN
5905280168042
Weight
0 kg
Category
CO₂ systems for aquariums
VAT rate
23%
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Frequently asked questions
Yes, the cap has grips on the top and bottom that fit standard 6 mm hoses. Make sure your tubing is this standard diameter before you buy.
It is designed for a standard cola-type bottle. Check that your bottle has the same standard neck before ordering.
Yes, it is intended for a hermetic CO2 setup using either a homemade fermentation method or a baking soda and acid mixture.
The cap handles pressure up to 5 bar. A built-in gasket provides a fully airtight seal.
No, the cap is made to resist cracking, even when tightened firmly.
Questions & answers
No one has asked about this product yet.
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