The Planted Tank Forum - View Single Post - Ultimate diy co2 cap?
View Single Post
post #14 of (permalink) Old 02-08-2013, 03:42 PM
Planted Tank Guru
DarkCobra's Avatar
Join Date: Jun 2004
Location: Baton Rouge, LA
Posts: 3,349
I'm happy with my current method of making caps, but I think I'll get one of these to play with anyway. Thanks for the heads-up!

I agree refilling a 2L bottle from pressurized CO2 wouldn't work. At 90PSI, CO2 is still in the gaseous state, which is FAR less dense than CO2 in the liquid state as found in a pressurized tank at 800PSI. So it really won't hold much CO2. And as you use it, the pressure would constantly be dropping, so you'd need a regulator to ensure a constant flow - for a setup that would probably run less than a day. Plus, while a brand new soda bottle may reliably survive a one-time pressurization to 90PSI, I definitely wouldn't do it on a day-to-day basis!

But this has me wondering about something else. I've heard you cannot drive an "atomic" style diffuser with DIY. Why not?
DarkCobra is offline  
For the best viewing experience please update your browser to Google Chrome