Good point kb.

Sometimes, cacti + platy = trouble.

Don't ask me how I know this <img src="/forums/images/graemlins/blush.gif" alt="" />

That's why I mentioned it. One day on the trail I picked up my Platy and had half a dozen little streams of water pouring out. I still have no idea why -- the closest cactus must have been 1000 miles away. But the patches worked wonders.
--Ken B