there are 8 corydora with more on the way and the other fish mostly swordtails and mollys take the sand in their mouth and spit it.
2 Black Mollies
1 Marble Molly
1 Silver molly
10 Swordtails
4 Albino Corydora Cats
4 Pepper Corydora Cats
2 Razbora
6 Neon Tetras
3 Guppies
3 Micky Mouse Platties
4 Zebra Danios
1 Plecostomus
in my 75 gal.
Is the algea that darkened the sand from the pic on the left normal?