Ph very low with probiotic reef salt

[coburn13]

I am using probiotic reef salt and the pH of my aquarium is very low. 7.8 - 8.03. How can I upload the ph?
Thank you and best regards.

 

[Aquaforest]

I am using probiotic reef salt and the pH of my aquarium is very low. 7.8 - 8.03. How can I upload the ph?
Thank you and best regards.

Hello, Do you know pH level in your RO water?
Are you using skimmer?
Do you have refugium? Do you have open window in room where aquarium is?

 

[coburn13]

Hello,
Yes, i have skimmer.
I dont have refugium and dont have open window in room.
This night i will check ph level in my RO water.
Thanks you.

 

[Aquaforest]

7.8-8.03 is pH level at night or at day?

 

[coburn13]

At day

 

[coburn13]

My ph level in my RO water is 5