The phrase "tub water" refers to the water that fills a bathtub.
Sentences with «tub water»
The hot tub water flows into the pool which then circulates back into the hot tub and it will not be toasty warm if pool is not being heated. (wyndhamvacationrentals.com)
I «ll get you started on some other «bursts» of potential training time: brewing coffee, commercials on T.V., brushing teeth, running tub water for kids, folding the laundry and yes, even vacuuming. (lifewithdogs.tv)
We do a lot of conservation already (high - efficiency appliances and low - flow faucets, let it mellow, using tub water for the garden in the summer, etc.), but I'm up for the challenge! (crunchydomesticgoddess.com)