Need help identifying whether this is Cyno, Diatom or Dino.
Little background: Earlier this year I switched salt from Fritz Salt(Blue) to Red Sea Coral Pro from then I noticed problem with Algea and late March I started seeing spots on sand and slowly it took over the entire sandbed.
When I switched salt I did it gradually over several weekly 10% water change (75/25, 50/50, 50/50,25/75). But in Feb I saw spike in Nitrate and Phosphate from then I saw Algea on rocks. My average nitrate(Tested using Hanna High rage) is 6 to 8 but it spike to 18 and phosphate(Tested using Hanna Ultra low) is 0.06 to 0.08 but it spiked to 0.2 after almost a month it reduced back my average.
If I stir the sand I see air bubbles coming. Few weeks back I tried Chemiclean and I didn't see any change so I am starting to doubt whether it is Cyno. I also check my RODI and it is still reading 0 tds
Since day1of this tank I siphon sand every other week. Since March(after the issue started) spots appear next day of water change and with in 3 to 5 days entire sand is covered.
Tank Details:
1. Age - 3 years
2. Gallon Volume - 90
3. Parameter -
Ca - 470
Alk - 10.5
Mag - 1380
Nitrate - 6.5
Phosphate - 0.09
Little background: Earlier this year I switched salt from Fritz Salt(Blue) to Red Sea Coral Pro from then I noticed problem with Algea and late March I started seeing spots on sand and slowly it took over the entire sandbed.
When I switched salt I did it gradually over several weekly 10% water change (75/25, 50/50, 50/50,25/75). But in Feb I saw spike in Nitrate and Phosphate from then I saw Algea on rocks. My average nitrate(Tested using Hanna High rage) is 6 to 8 but it spike to 18 and phosphate(Tested using Hanna Ultra low) is 0.06 to 0.08 but it spiked to 0.2 after almost a month it reduced back my average.
If I stir the sand I see air bubbles coming. Few weeks back I tried Chemiclean and I didn't see any change so I am starting to doubt whether it is Cyno. I also check my RODI and it is still reading 0 tds
Since day1of this tank I siphon sand every other week. Since March(after the issue started) spots appear next day of water change and with in 3 to 5 days entire sand is covered.
Tank Details:
1. Age - 3 years
2. Gallon Volume - 90
3. Parameter -
Ca - 470
Alk - 10.5
Mag - 1380
Nitrate - 6.5
Phosphate - 0.09
