Why high ph at night

[zulreef]

Why is Ph high at night? I've got dat at 8.17 and night at 8.39.

Thanks
Zul

 

[MikeS]

hmmm.....pH should drop during night time....however, I notice my pH is usually highest just before the lights go out...but drops overnight...lowest just prior to lights on...

Mike

 

[bradreef]

are you running a refuguim on a reverse schedule?

 

[mojoreef]

Zul what time are you calling night time.


MIke

 

[The Apprentice]

Mid Columbia Thread

Zul also posted a Thread on The Mid Columbia Site here is Link :
http://68.185.37.33/phpbb2/viewtopic.php?t=358

I think Rico posted a couple of good points

Why is Ph high at night? I've got dat at 8.17 and night at 8.39.

Thanks
Zul

 

[zulreef]

Mike,

Here is my light scheduel.

VHO (ON) AT 8AM
VHO (OFF) AT 10.30AM
MH (ON) AT 10AM
MH (OFF) AT 8PM
VHO (ON) AT 6.30PM
VHO (OFF) AT 10PM
REFUGUIM (ON) AT 4PM
REFUGIUM (OFF) AT 9am

Zul

 

[mojoreef]

Zul at what time are you doing the ph test??

 

[mojoreef]

Ahh just saw the link, Nice board boys!!!

I think you got it answered, your getting alot of photosynthisis from your refugium that is intaking the co2 and putting out o2

Mike

 

[The Apprentice]

Pinpoint PH Unit

Hi Mike I think Zul has the
American Marine Pinpoint pH monitor

Zul at what time are you doing the ph test??

 

[zulreef]

Zul at what time are you doing the ph test??

Mike,

I tested ph got between 8.2-8.3 in Red sea today.

Zul