Review on π OIIKI 2 Pack Aquarium DIY CO2 Generator Bottle Cap: Enhance Fish Tank & Aquarium Plant System with Carbon Dioxide Reactor by George Thorson
Good but it's starting to fail
I've been using it for about 3 months now. The top of the cap is beginning to separate from the sides. The o-ring inside still holds pressure, but I'm not sure how long it will last. At least it comes with two and I only use the one bottle system.
- Excellent design
- Functionality
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