[APD] Re: This Pesky Duckweed

["Mike Wickham" <mewickham at compuserve_com>]

Goldfish and koi eat duckweed, but I doubt they'll get it all. I've used a 
wet-vac to remove duckweed from my tanks. I snake a piece of 1/2" tubing, 
such as the tubing from a gravel-vacuum, into the wet-vac's pick-up hose to 
give me better control. Then I use it to vacuum the duckweed off the 
surface. It's quick and easy. Inevitably, there will be pieces of duckweed, 
trapped underneath other plant leaves or out of sight, that will float to 
the surface later. So repeat the vacuuming every day until the duckweed is 
gone and doesn't come back. It takes a few days at most and works to 
completely rid a tank of duckweed. It's the only foolproof method that I've 
found.

Mike Wickham


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