That phantom refill sound isn't just annoying — a running toilet can waste 200 gallons a day and quietly add $50+ to your water bill. The usual culprit is a worn rubber flapper: a $4 part you can replace in 10 minutes without a single tool.
Not sure this is your exact problem?Point your camera at it — SpotFix AI diagnoses it free in seconds, with a step-by-step AR guide for your exact model.
Scan It FreeIf water keeps trickling into the bowl after the tank refills, the flapper isn't sealing. If water runs into the overflow tube, the fill valve is set too high or failing.
Put a few drops in the tank, wait 15 minutes without flushing. Color in the bowl = leaking flapper. Confirmed diagnosis, zero cost.
Twist the supply valve behind the toilet clockwise, then flush and hold the handle to empty the tank.
It unclips from two pegs on the flush valve and unhooks from the chain. Take it to the store or scan it with SpotFix AI to match the right replacement style.
Clip it on, then adjust the chain with about 1/2 inch of slack — too tight and it won't seal, too loose and it won't lift.
Flush twice. The tank should refill and go silent within a minute. If it still runs into the overflow tube, adjust the fill valve float down.
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