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Washington, DC (WLTX)-- If you have a pet fish, News19 is on your side with a recall on some aquarium heaters.

The Top Fin Aquarium heaters were sold nationwide at Petsmart stores from March through April of this year

The heaters are insufficiently grounded and could pose an electrical shock risk to those who use it.

This recall involves all 50-, 100-, 150-, 200- and 250-watt Top Fin brand plastic aquarium heaters. The heaters are black cylinders about 1 1/2 inches in diameter and about 13 inches tall2.5 in L x 1.9 in W x 13.5 in H. Recalled heaters have model number HT50, HT100, HT150, HT200 or HT250. Lot numbers for the recalled heaters are 1839, 1901, 1903, 1904, 1907, 1908 and 1910. "Top Fin," "Premium Aquarium Heater," the model number and the heater's wattage are printed on the side of the heater near the top. Below that, the lot number is printed beneath the words "Made in China."

If you have the heater, immediately stop using it, unplug it, remove it from the aquarium and return it to any PetSmart store for a full refund. Consumers may contact PetSmart toll-free at (888) 839-9638 from 8 a.m. to 5 p.m. MT Monday through Friday.

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