grillum solar pool thermometer floating easy read, ipx8 waterproof digital thermometer wireless, water temperature monitor for swimming pool, hot tub, cold plunge, pond, lake extra long-solar is up for auction in Patio, Lawn & Garden. The current bid is $1.00, 96% below the $27.99 MSRP, in As Is condition. Bid on this item at our Elizabethtown - Peterson Drive location before the auction closes.