Anyone notice a slight spike in tank pH today?

[acroholic]

My 465 usually is at a pH of 8.35 and my 100 mixed reef is usually about 8.1. Well, today the 465 was 8.55 and the 100 was 8.25.

I was wondering if anyone else noticed a slight spike, and if this could have anything to do with the cool snap we've had, which for my house means the AC not being on at all for a couple days?

Both my systems are separate, with no common water. And in my 465 I have also cut off the CO2 to the calcium reactor temporarily to lower my KH, which, if anything, should have slightly lowered the pH of the system.

Just seemed strange to see a .20 unit spike in pH in two separate systems at the same time.

 

[mcphock]

Higher environmental co2 from less active ventilation? Just positing a guess

 

[sleepyreef]

I thought more CO2 would mean lower pH.

 

[mcphock]

Lets call that a 130 am mistake


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[shanepike]

That's funny. My pH did jump a notch and stay at levels noticeably higher than normal. Interesting.

 

[rdnelson]

I didn't notice.


I know you all think I have no heart but now I have an ultrasound to prove it.

 

[hiimsean]

Mine likes it when it's cooler outside/inside the house. We have yet to turn on the AC, yes my wife is insane and runs the house, so it's been dipping a little lower lately. This is about what it's been all winter.