pH question

[h2pvnus]

Is it normal for pH start low in first 4 hours when DT light on (hydra 52) then it slowly raise up high noon( around 1PM-5PM) or it should be high when light on.

 

[Daniel@R2R Verified Admin]

Is it normal for pH start low in first 4 hours when DT light on (hydra 52) then it slowly raise up high noon( around 1PM-5PM) or it should be high when light on.

It starts out low and raises. I think that's standard with any photo period on any lights. I have the same thing with my radions. Starts out at about 8.2-8.25 and goes up to 8.4 by the end of the day.

 

[SantaMonica]

Yes start low and go high. It's photosynthesis at work, producing oxygen and consuming CO2.

 

[h2pvnus]

Got it