JJB Posted November 21, 2021 Share Posted November 21, 2021 Thinking about getting a CO2 systems for my planted 55g tank. I have a Fluval 407 on the tank so not sure if inline diffuser is an option or not. Curious to hear what others are doing. Thanks. Link to comment Share on other sites More sharing options...
RadMax8 Posted November 21, 2021 Share Posted November 21, 2021 I use a homemade reactor with my Fluval 406. It certainly requires some imagination and DIY prowess to do it, but it’s worked very well for me. Link to comment Share on other sites More sharing options...
Mmiller2001 Posted November 21, 2021 Share Posted November 21, 2021 What size tubing is on the 407? Link to comment Share on other sites More sharing options...
JJB Posted November 21, 2021 Author Share Posted November 21, 2021 The Fluval site says 17mm Link to comment Share on other sites More sharing options...
Mmiller2001 Posted November 21, 2021 Share Posted November 21, 2021 On 11/21/2021 at 10:08 AM, JJB said: The Fluval site says 17mm Is that inside or outside diameter? You will often see 12/16mm or 16/22mm. Link to comment Share on other sites More sharing options...
JJB Posted November 21, 2021 Author Share Posted November 21, 2021 On 11/21/2021 at 12:27 PM, Mmiller2001 said: Is that inside or outside diameter? You will often see 12/16mm or 16/22mm. I'm unable to find what the Fluval hose measurement on their website is referring to, inside or outside. I've seen numerous posts on various sites stating if I went to 16/22 tubing it should be fine for connecting to the filter and lily piping. Link to comment Share on other sites More sharing options...
Mmiller2001 Posted November 21, 2021 Share Posted November 21, 2021 (edited) On 11/21/2021 at 11:26 AM, JJB said: I'm unable to find what the Fluval hose measurement on their website is referring to, inside or outside. I've seen numerous posts on various sites stating if I went to 16/22 tubing it should be fine for connecting to the filter and lily piping. Okay, that's 5/8ths American. That will work. For a tank that size, I would recommend a reactor. It's more efficient and no Sprite water. I hate Sprite water. Very easy to build too. For inline, CO2ART has a nice one. https://www.co2art.us/collections/co2-accessories/products/new-co2art-inline-co2-aquarium-atomizer-diffuser-system?variant=22314607444050 Edited November 21, 2021 by Mmiller2001 Link to comment Share on other sites More sharing options...
JJB Posted November 21, 2021 Author Share Posted November 21, 2021 On 11/21/2021 at 1:29 PM, Mmiller2001 said: Okay, that's 5/8ths American. That will work. For a tank that size, I would recommend a reactor. It's more efficient and no Sprite water. I hate Sprite water. Very easy to build too. For inline, CO2ART has a nice one. https://www.co2art.us/collections/co2-accessories/products/new-co2art-inline-co2-aquarium-atomizer-diffuser-system?variant=22314607444050 Looks like I have a project next weekend while nursing my Turkey coma! Thank you for the quick response! 1 Link to comment Share on other sites More sharing options...
Mmiller2001 Posted November 21, 2021 Share Posted November 21, 2021 On 11/21/2021 at 11:35 AM, JJB said: Looks like I have a project next weekend while nursing my Turkey coma! Thank you for the quick response! If you use the media sleeve thing, reverse the flow. So out is water in and in is water out. And lastly, if you just want a good reactor pre built, https://greenleafaquariums.com/products/aquarium-co2-reactor-16-22mm.html Link to comment Share on other sites More sharing options...
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