"Koi-lo" wrote in message
...
DE earth is so cheap at Home Depot you can run your Vortex every day for
an hour or so until the problem is under control.

I've had my Vortex D-1 running for 24 hours a day since I got it ??? (1
week)
Maybe I would see much faster results if I had purchased the XL model ? (My
tank is 55g)

Cheers.