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BeBe wrote:
Noticed a small amount of liquid dripping in the basement area which is under the sink. Traced it up and there seems to be a slow leak in the connection between the supply line & the faucet. There are 2 white plastic supply lines & we have tightened them but no change. Can anyone tell us how to fix this?!
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Have you shut off the water and removed the connection? It may be that the gasket/seal in there is damaged or otherwise messed up. If it is a PEX connection, they use rubber "cones" for the seal. Or, it could be a flat washer-looking seal.
Sometimes tightening can make it worse. If it is coming from the supply line for sure, I would maybe try this first - turn off the supply and dry everything off. Have one of you under the sink, and the other turn on the water pump. See if you get the leak with the water pump pressure. If so, try to find where the leak is originating using a flashlight. You may be able to use a dry paper towel to see if you can isolate where the drip is coming from.
If it is still leaking, you can also take a picture of where you suspect the leak to be and post it up here. It might make it easier to see what the connections look like.
If it is coming from the line itself, which is unlikely, you will be able to cut out the leaky part and put in a coupling. All of that should be easy enough to find at a Home Depot or compatible store.
Our kitchen is on a slide, and I find that my drain lines get a little loose sometimes. You may want to feel those as well in case the drip is coming from there. They are usually hand-tightened fittings on the black drain pipes under the sink.
Good luck - post up some pics if it is still leaking!
--kev