Zip it would be worth a try though I've never seen them, got to be careful of liquid cleaners as most drains on these things are plastic (pvc). Taking trap off would be best if possible. If you can take it apart remember when you put it back...tight is good, too tight is broke.
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1976 Newell Classic (Sold)
Home Base: Riverside, CA
If anyone needs my contact info private message me and I will send it to you.
-Joseph-
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