"I've had customers who've told me they have set out candles, filled up a glass of wine and settled in to a relaxing bath only to have it ruined by black gunk coming out of the jets. Luckily there is an easy fix!" says Ron Springer.
Jetted tubs do not drain themselves completely after being used. Residual water from the last time the tub was used sits behind in the piping until the next time the jets are turned on. This stagnant water contains soap, skin oils and grime that allow bacteria to spawn, creating the "black crud" seen when the jets are activated. Bathing in mold and mildew is a scary thought, so we have a simple cleaning method to take care of this unpleasant problem.
How To Clean Your Jetted Tub
We recommend looking at the manufacturers’ instructions specific to your tub to make sure that certain cleaners will not be harsh or abrasive to your particular tub, so familiarize yourself with your specific brand of jetted tub.
1. Fill tub with hot water, covering the highest jets by approximately 3 inches.
2. Turn off the air induction valve if your tub has one.
3. Add 1/4 cup powdered dish washing soap and 1/2 cup bleach (substitute vinegar if your manufacturer's instructions specify to not use bleach.)
4. Run the jets on high for about 15 minutes.
5. Drain and rinse the tub out with cold water.
6. Enjoy a clean and relaxing tub!
It is advised to perform the above treatment monthly to keep up on mold and mildew growth. If you are not comfortable using household products, you can find special cleaners for tubs directly from the manufacturer or other professional plumbing and cleaning suppliers. Some companies advocate using bio cleaners specifically designated for jetted tubs. While this may be needed if a tub sits for a long time, it is still beneficial to use the household cleaners once a month and reserve the use of more costly bio cleaners once a season for deeper cleaning.