"TomW" wrote in message
...
I was thinking of scrubbing the rock with a
toothbrush. What do you think of that idea?
-Tom


IME/IMO scrubbing with a toothbrush will only dislodge the algae and cause
it to spread further around the tank, if your going to scrub it, it needs to
be taken out of the tank and then brushed off in a bucket of sal****er then
rinsed well in a bucket of clean sal****er.

HTH
kc