Review on 🐠 PASTE ZHGSERVUU ZHGSERVU 100W/300W/500W Aquarium Heater: Submersible, Reliable and Efficient Tank Heater for 10-90 Gallons; Equipped with Durable Quartz Glass Sleeve and Auto Thermostat for both Fresh-Water and Salt-Water Environments by Kelly Christiansen

This product is a complete waste of money for any aquarium hobbyist. Despite the claims of "protective" features, this PASTE did nothing to protect my fish and aquatic pets. The cons outweigh the pros by far - it's messy, difficult to use, and ultimately ineffective. While it falls under the category of aquarium heaters & chillers in pet supplies, it fails to meet even the most basic expectations. Save yourself some time and hard-earned money and avoid this product at all costs.