Continuous Water Changes and Ph

[cincyjim]

I just put in place a continuous water change system a couple of days ago. Prior to doing this my Ph varied from 7.7 to a high of 8.5 throughout the day (falling once the lights go out). Now with the continuous water change my Ph stays steady at 7.73 to a high of 7.80. Is this normal? Is the new Ph range within acceptable limits?

Thanks,
Jim

 

[thegrun]

You may need to aerate your saltwater storage container to drive off some of the CO2, your pH is on the low end of what's acceptable.

 

[cincyjim]

You may need to aerate your saltwater storage container to drive off some of the CO2, your pH is on the low end of what's acceptable.

That's a very good idea, thanks. The new saltwater is in a 25g water storage container that has a lid on it. I keep it closed to eliminate evaporation. I can easily add a aeration pump to it.