November 25, 2019 at 2:02 am
#9539
Participant
Hi everyone! I finally got the PH below 6 long term…it is currently around 4.5 (I did the 40% water change yesterday). I used 1.25 ml of the aforementioned API PH down – easily enough to neutralize all the carbonates that the tank acquired from simple gas exchange. This also sent the conductivity shooting up to about 47 microsiemens/29 ppm TDS in the tank…thankfully the tank will now produce carbonates much more slowly due to its lower PH, so I will not need to add nearly as much acid (and thus conductivity/TDS) next time to keep the PH down.