Fluval 20g-CO2 Disposable Cartridges - 3-Pack

these cartridges barely last a week. they seem to leak very easy no matter how tight you skrew them on.

I'll be sticking with DIY co2 or switch to the paintball setup.

Works perfectly for my nano plant tanks. They are much cheaper and better than what you find out in stores.

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These replacement cartridges are so easy to change out! I ordered these for my planted aquarium along with the Fluval 20g CO2 Kit. They came on time and the items are exactly as described. I will order these again when I run low on refills. Don't bother looking anywhere else.

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They last awhile if you stick to using them once a day. Mine lasted me about 2 months with just using it once a day. So definitely worth it. I wouldn't try getting it anywhere else, stick to amazon because it's MUCH cheaper on here, lol. My LFS was selling this for about $25-30.

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These little tanks last about a 3-4 weeks when used right. there a bit pricey but well worth it to have reliable CO2 and healthy plants

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