"Richard Sexton" wrote in message
...
I'd call it an algae inhibitor.
I tried it on Cladophora, it had no effect with a controlled tank full
of plants.
None, nada, zip.

I've been using Excel for 2 weeks along with daily dosing of fertilizer. I
started
the two at the same time and in one tant - my last remaining problem
tank -
it decimated the thread and staghorn algae in 3 days. In 7 days there was
barely
a trace of the body. In two weeks it's simply all gone.

It seems to have no effect on BGA and green water (but they're easily
cured
without Excel, just water changes and fertilizer)

Is Excel safe for invertebrates, snails to be specific?

A