I received this just about 15 days ago, and noticed today the center of it is turning black. Any idea what’s wrong? Everything else is doing fine.
parameters:
temp 77
salinity 1.025
pH 8.1
dKH 9
Ammonia 0
Nitrite 0
Nitrate 1
Phosphate .25
Calcium 450-480
Thanks
10/7:
10/22, under white lights and orange filter:
parameters:
temp 77
salinity 1.025
pH 8.1
dKH 9
Ammonia 0
Nitrite 0
Nitrate 1
Phosphate .25
Calcium 450-480
Thanks
10/7:
10/22, under white lights and orange filter: