How To Clean A Hot Tub After Draining. A hot tub is an investment of your time and money, especially when it comes to maintaining clean, clear water. A hot tub that hasn’t been cleaned properly should not be used again.
Add a hot tub flush line product into the spa water 5. After draining and drying the tub, clean the shell and use thermogloss for surface polish.
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After draining your hot tub, use a clean soft cloth to wipe the shell and filter compartment down. All you will need to do is attach your garden hose to the spigot on your hot tub.