Check Selling price on Amazon Add sizzling drinking water to the spa. This isn't a bad tactic and it’s inexpensive. What you need to do is to empty 50 percent the water, and refill with incredibly hot water from the garden hose linked to a spigot from the kitchen https://lasttoleavethefreezingice08530.getblogs.net/61204016/5-easy-facts-about-000-described