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Uploaded on Jan 6, 2009
very simple homemade protein skimmer for my 20g that obviously has algae problems. misc parts used: $6 walmart air pump $6 coralife wood air stones $1.50 smartwater bottle $3.50 valve maxijet 900 (already had) $7? tubing sponge stolen from my aquaclear30 ya probly was a little more then 20, probly could buy one that works better for not much more. but its fun to make stuff.