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i looked into that but the media from brs was always expensive. I'll order a bag and try it out, my biggest problem is the skimmer bringing in the more oxygenated air is having a hard time competing with the amount of turbulence on the top of my tank inside that is exchanging more co2 rich air into my system.
it's the sealed packets, i doubt it. pinpoint makes them. i'm always hoping somehow the probe is bad though, lol. i ordered the lime media for the co2 scrubber, i'll give it a go, cheap enough to try out. Thanks for the suggestion.