Water Tech Corp — manufacturer of the original Pool Blaster, Volt and Precision battery-powered pool cleaners — now offers the Pool Blaster Spa Vac Plus, a cordless, battery powered hot tub vacuum designed for cleaning tight spaces. The new Plus version includes an all-new four-brush assembly and micro filter trap that helps scrub and collect even the smallest dirt, debris and sand. Powered by four C-cell batteries with a continuous run time of up to 1.5 hours, this vacuum can quickly remove all debris, leaves, sand and algae from spas. It is completely cordless and comes with a three-piece sectional pole.