aquamiracle aquarium heater, 100w submersible fish tank heater with led digital display, overheat protection & auto power-off when out of water, for freshwater and saltwater fish tanks (10-20 gal) for tanks 10-20 gal is up for auction in Pet Supplies. The current bid is $1.00, 96% below the $23.99 MSRP, in New/Like New condition. Bid on this item at our Dayton - Edwin C. Moses Blvd. location before the auction closes.