GreenJeans Posted January 11, 2022 Share Posted January 11, 2022 I assumed that running my skimmer intake line outside would solve my ph issues, but I still can't keep ph >8.1 unless I ALSO run a CO2 scrubber....and then I have to change the scrubber media out every 3 or 4 days? This seems excessive, am I doing something wrong? I'm surprised how quickly the CO2 media is getting depleted while pulling fresh air from outside. Quote Link to comment Share on other sites More sharing options...
reefbandit Posted January 11, 2022 Share Posted January 11, 2022 did you set your c02 scrubber up recirculating? This will extend media life. Quote Link to comment Share on other sites More sharing options...
GreenJeans Posted January 11, 2022 Author Share Posted January 11, 2022 recirculating? Not sure I follow.... Quote Link to comment Share on other sites More sharing options...
GreenJeans Posted January 11, 2022 Author Share Posted January 11, 2022 Ah, connecting the scrubber intake to the skimmer lid vents...I'll try setting something like that up. Quote Link to comment Share on other sites More sharing options...
half-astronaut Posted January 11, 2022 Share Posted January 11, 2022 (edited) I used an inverted sour cream container on top of the skimmer cup with the hose coming out the top, if that makes sense. How much surface agitation do you have? That makes a pretty big difference too. Edited January 11, 2022 by half-astronaut Quote Link to comment Share on other sites More sharing options...
Jeff.Tichenor Posted January 11, 2022 Share Posted January 11, 2022 (edited) You may have high co2 in your home, especially this time of year. You may want to get a CO2 air checker to test the air quality inside your aquarium room. If co2 is high then it is getting absorbed into the water at the surface. The more agitation at the surface, the faster it gets absorbed. It would be nice for the club to buy one and then loan it out as needed Edited January 11, 2022 by jtichenor Quote Link to comment Share on other sites More sharing options...
Jeff.Tichenor Posted January 11, 2022 Share Posted January 11, 2022 I just bought this one for $80. Home Air Quality Monitor- CO2 & Temp. Humidity Detector, Accurate NDIR Sensor, 400-5000 PPM, WiFi (2.4GHz) Connection, Rechargeable Battery, 2 Years Data Logger, Multiple Alarm, Indoor Car Office Use https://www.amazon.com/dp/B09215WDXC/ref=cm_sw_r_apan_glt_fabc_379EA1AD2VAZ6NXP6V6E?_encoding=UTF8&psc=1 Quote Link to comment Share on other sites More sharing options...
izzypop Posted January 11, 2022 Share Posted January 11, 2022 I ended up buying a CO2 monitor for the house. That helped me figure out how much of your pH issues are related to that. If it is CO2 you have an actual way to measure it. Quote Link to comment Share on other sites More sharing options...
islandVib3s Posted January 12, 2022 Share Posted January 12, 2022 Are you dosing anything tht drops ph? Quote Link to comment Share on other sites More sharing options...
pdxmonkeyboy Posted January 12, 2022 Share Posted January 12, 2022 How low is it going? Most tanks dip down to 7.8-7.9 when the lights go out. Quote Link to comment Share on other sites More sharing options...
John Vinson Posted January 12, 2022 Share Posted January 12, 2022 I've been having the same issue and picked up a CO2 scrubber that I plan on setting up to recirculate (waiting on one last part). In the meantime, I've been adding Kalkwasser to my ATO and it's slowly been bringing up the Ph as well. Started out going from 7.3-7.5 to 7.65-7.85. Only concern is it's also been ticking the Alkalinity up along with it (from 8.5 to 9) - not too concerned about it yet, as long as it stays stable. We'll see how it settles once the CO2 scrubber is up and running.... Quote Link to comment Share on other sites More sharing options...
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