sairving Posted February 3, 2022 Share Posted February 3, 2022 Hey everyone! I'm going to start injecting co2 into my 10- gallon planted betta tank. After spending the last few days pricing things out, I decided to DIY my own co2 regulator. Maybe in the end it won't save me money, but it will be fun to learn something new. I'm going to post updates, the build, questions, links to information, and how well it works here. There's actually some really informative threads on planted tank and saltwater forums. I need to read through them and get a parts list. Plus, at the end of the day, I'm sure I'll need input and some advice from someone who's actually done this. Yesterday, I spent part of the day scouring eBay for regulators. I looked at listings for Mathesen, Smith, and Victor regulators. There's a lot of listings for older models right now. @Mmiller2001 recommended finding a 2 stage regular. For $50 I found a Uniweld 2 stage RHT 8013 co2 regulator. The listing said open box, never used. The box looks like it was mauled by a bear but the regulator looked new. I ordered that. Next on my list is a soleniod, needle valve, and bubble counter. Back to eBay. Here's the manufacturer link in case anyone is curious. https://uniweld.com/product/rht80-series/ 3 Link to comment Share on other sites More sharing options...
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