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252 Posts
what, lol?$35 for check valve! That seem overkill. I'd save the money and but a pH controller.
DO NOT question this, :tape2:what, lol?
Is there a Home Depot and/or Lowes equivalent or option? I read an article in which someone put together on a "no-frills" CO2 system using parts from your local bigbox store; one of the parts (with part number) was a check valve. But I can't find the article any more.It's too much money.
You can order brass check valves from Clippard and other places for far less money.