Most snails will eat film algae, diatoms and certain types of caulerpa. With hair and other stringy types you will need to trim the longer growth's or they will ignore it for the most part. If short enough they will eat it just fine.
Small patch's of "grass" sound like it could also be bryopsis which the snails will never eat, so make sure you ID the type of caulerpa to be sure. I am at work right now so no links. If someone else can provide one in the meantime that would help....
Bumble bee snails can be a great addition, but be aware that they are primarily carnivours and will do little for algae control directly...
Cheers
Steve
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03-14-2003, 09:00 PM
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