Quote:
Originally Posted by Rudolph
Here is a method that has worked for me to kill off batches of nuisance algae that should work for you as well....take some marine putty and form it like a flat pancake and then shape so it will fit over the zoas. Leave it there until they are gone as this blocks all the light....you can take it out once you think it has all died, but keep it as it will keep the shape and you can reuse it if they come back......good luck
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This is great, I'm going to try it this weekend
