Back to the blog. Still soem hair alage. I shut off the skimmer. The corals grow much faster now.

Found dolabella death. She never eat any hair algae. Hair algae still a problem!

Alkalinity is OK now. 10.5 dKH.

still some hair algae. Bought sea urchin but ignore the hair algae for now.

Alkalinity rock too much. I will let it down. Tomorrow is planned a water change.

Alkalinity slowly still recovering.Now 6.9 dKH

Alkalinity slowly recovers. Now 5.6 dKH.

Due to 5 days out, alkalinity drop considerably. I add Na2HCO3 to increase it very slowly.

After 5 days of vacation aquarium looks nice and crispy. Some hair algae. Need to buy a sea urchin to take care of it