I have not had much trouble with washing flourite (or aby kind of gravel for that matter). I just get a really big strainer basket with fine holes, and blast away with a garden hose (no spray nozzle, I used my thumb--works better =). Takes about 15 minutes. FWIW. Smiles, Toan _______________________________________________________________ Get Free Email and Do More On The Web. Visit http://www.msn.com