Here is a versatile heated bath you can use year round.

Molded of durable resin to withstand all temperatures and conditions. This bath has a hollow pedestal for weighting with sand or gravel and a heating system that's built right into the bowl for winter use.

Basin is 20 inches in diameter, 2 inches deep, 26-1/2 inches tall. 150 watts with a 6 inch cord under the basin. You supply an outdoor-rated extension cord long enough to reach your outdoor electrical outlet. Connection is made inside the pedestal, protected from moisture.