White dust like particles in water column

[kien]

Perhaps one of your corals spawned. Hopefully something isn't precipitating out of your water column!

To me the usual suspects are: micro bubbles, sand, detritus, coral or clam spawn.

[marie]

or it could be calcium precipitate.......it can make your tank look like it is in a snowstorm

[cuz]

barebottom tank?
are you running filter socks? I know when i'm short on clean filter socks my water gets a bunch of debris in the water column.

[paddyob]

Originally Posted by marie

or it could be calcium precipitate.......it can make your tank look like it is in a snowstorm

Usually this can be caused by too heavy a dose or dosing carbonates in conjunction or too close together.

Any possibility?