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We also now include a special 2 foam roller handle with pad and mini-tray for easier application to vertical and larger surfaces. How long will it take me to do? It takes about 45 minutes to prep a standard tub, and maybe an hour to properly apply the first coat. Then 4-5 hours of drying time and then a second coat.
Most hot tubs, when first filled or refilled, take about 12-24 hours to heat up. In some cases, outdoor spas may take up to 2 days to heat up in the summer. If youâre hot tub is taking longer than this to heat up, there may be something wrong with the unit and youâll want to have it checked out.