Is this Dinos?

[BuckyT8411]

Please help!! Dinos or diatoms?
Temp 77.5
DKH 8.6
Nitrate 4.6
Salinity 1.026

 

[doubleshot00]

Probably. What's your po4 and you will need a microscope to ID them.

 

[Magic031707]

Looks like it but a microscope can confirm. Ime, when my nitrates bottomed out I would start to see them creep back.

 

[BuckyT8411]

PO4 ULR .36

 

[doubleshot00]

If you dont have a microscope look into local FB groups and ask to borrow one. LFS should have one to.