easy fix or would I need to replace the entire faucet to get the hose? Allow the water to run as you inspect the upper and lower supply line connections for leaks.
Feed the sprayer hose down through the shroud and rest the sprayer in the shroud. Pull the sprayer up and let the head dangle in the mixture for about an hour. If the leak is at the plastic coupling that connects the head to the hose: Attempt to tighten by holding the sprayer head and twisting the coupling clockwise. Wrap thread tape around the external threads and hand screw the hose to the faucet, finish by tightening it with a wrench. I can tell you that the hose is very rarely used now because the water coming through it stinks. Repeat this step and connect the remaining supply line onto the threaded tube at left. Tighten the fittings with the adjustable wrench. Maybe bleach or vinegar?
Reach up behind the sink and screw the fitting onto the end of the threaded stem on the right side. If a leak under the sink is a culprit of a faulty sprayer: Tighten the connection at the faucet with a wrench, turn on the water and check for the leak. If space is limited, tighten the fitting with a basin wrench. If youre in need of a local plumber, check Angies List to see which of the 3,400 providers in the area have been highly rated and recommended by members in your neighborhood. Shut off the faucet and tighten a fitting, if necessary. It was like that when I bought this house so I don't know what conditions led to the situation. Or should I just replace it? Thread the fittings at the opposite ends of the supply lines onto the corresponding outlet ports on the right and left shutoff valves. Also, if anyone has any idea how this growth might have started, I'd like to know to avoid the problem in the future. If so, the hose and sprayer head will need to be replaced. A lounge-chair mat makes an ideal cushion when working on sink plumbing.
Spray hose hookup for kitchen sink