Marks...Back to the Future..Reef Aquarium

Alk is running on the low side around 6.5-7. ph is 7.8 Everything else is good. The few corals I have are pale.

I'm baking some baking soda right now. My total water volume is approx 225g. I used the calculator on how much I need, just wondering what is the time frame on adding the mixture. I don't have a dosing pump as of yet.


Thanks!
 
The PH is really fine at 7.8. I only get above 8 after a water change it drops after a day or two. Are you running a fuge? That will help keep the PH higher. After that, a calcium reactor if the PH is still not what you want. However, to me, 7.8 is still acceptable.
 
The PH is really fine at 7.8. I only get above 8 after a water change it drops after a day or two. Are you running a fuge? That will help keep the PH higher. After that, a calcium reactor if the PH is still not what you want. However, to me, 7.8 is still acceptable.

I have a fuge, but only rubble in it right now. I was concerned about the alk being low and the coral being pale. ph should rise with the treatment, but not worried about 7.8
 
Been a while since I updated. Fish are doing great, most corals doing well. Tank is approaching the 90 day mark. Phosphate is 0, nitrates are 0 and other parms are good.

I went through the diatoms and then developed the following hairy substance. Not 100% sure it is an algae or a bacterium. Here is a picture. Its beige and somewhat hairy but looks mushy...

Any ideas?

algea.jpg
 
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