what would give the longest life for CO2 scrubber media. Having it recirculate air from the skimmer cup, or having it pull and scrub air from the outside? Would there be a noticeable difference in life between the 2?
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Co2 scrubbers are meant to scrub your indoor air.
If you can pull air from the outside through your skimmer you’ll get the same result or even better.
A scrubber on outside air can drop the CO2 in it lower than normal outside air, giving more pH raising effect.
Of course Randy, but in most cases when you pull outside air through the skimmer the ph will stabilize to acceptable numbers.
Often, yes. In some cases the tank top aeration is apparently defeating the outside air/skimmer effects.
I just had my house energy certified ie they came in and replaced everything with more efficient stuff and then they insulated my attic I also got Anderson windowsYou know as I know that in the early days we didn’t had that problem of a too low Ph.
Maybe cause they made the hobby affordable for most and cause of that compared to 20 years ago you have tons more hobbyist and will run into that event more often.
Or they made the homes more air tied due to Co2 build up.
Any way, I’ve been pulling air from the outside for over 10 years and I never have a problem even with a CaRx installed.
I just had my house energy certified ie they came in and replaced everything with more efficient stuff and then they insulated my attic I also got Anderson windows
Before my ph was in the 8.2-8.0 range now I can’t get it over 8 with pulling air from outside and I just started scrubbing so hopefully it will get back where it was
Point of this post is I think houses are insulated way better that’s why you see more post about this
I just had my house energy certified ie they came in and replaced everything with more efficient stuff and then they insulated my attic I also got Anderson windows
Before my ph was in the 8.2-8.0 range now I can’t get it over 8 with pulling air from outside and I just started scrubbing so hopefully it will get back where it was
Point of this post is I think houses are insulated way better that’s why you see more post about this
My pH dropped substantially when I got new storm windows.
Hehehe.......... your a scientist..... fix it Randy
Inject pure oxygen into the skimmer or do I open up a can of worms here??
O2 isn't the answer, but just normal air without CO2. If you really tried to drive out CO2 with pure O2, the O2 level would get too high. Like 4-5x normal.
FWIW, my pH was always high (8.35 to 8.55) due to limewater and very fresh air in a leaky old home, but the lowering with new storm windows was no concern.
Remember that if you use all recycled air for the smkimmer, the skimmer will not be usefully doing O2 exchange.