Did the grey ones come from Walmart? I bought some light duty 50' hoses from WalMart and the only problem I've had besides the kinking is that in cold weather, the outer sheath will crack. This of course eventually leads to a leak when the inner hose becomes exposed.
They either came from Wal-Mart or Lowes, probably the former. We've left ours out for two winters, though this year we got our act together and brought them in. I'm surprised by how long they last for the price!
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