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Why high ph at night

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MikeS

Well-known member
Joined
May 23, 2004
Messages
1,654
Location
Wyoming
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
 

zulreef

Well-known member
Joined
Dec 14, 2004
Messages
161
Location
Richland,WA
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

Reef Keeper
Joined
Jul 5, 2003
Messages
7,530
Location
Sumner
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
 
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