I purchased this PoolGuard spa vacuum on and I think it does a great job.
✔️ Purchase on Amazon: https://geni.us/mkBpku

It's pretty lightweight and it comes with a long extension pole so it's very easy to use. The battery lasts about 95 minutes and it seems to be a high quality unit. I'm old school, so I call my spa a hot tub! This unit goes by different names such as PoolSky and PoolGuard.

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