{"product_id":"tetra-ht30-submersible-aquarium-heater-thermostat-100-watt","title":"Tetra HT30 Submersible Aquarium Heater \u0026 Thermostat 100 watt","description":"\u003cp\u003e\u003cspan\u003eTetra's HT30 heater is easy-to-use and work in aquariums ranging from10-30 gallons. The heaters have electronic thermostats that automatically adjust heat output to keep water at a constant 78 degrees F. All HT heaters have indicator lights to let you know when the heater is on, heating the aquarium.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eAll Tetra HT heaters have red\/green indicator lights to let you know when the heater is heating(red) or on standby(green). The low voltage thermostat maintains water at 78°F without any adjustment required. Be sure purchase the correct heater for your tank size. Buying a heater too small for your tank can cause under heating. It is critical to ensure your tank is equipped with a hood or glass canopy to contain the heat inside the aquarium. All Tetra HT Heaters will shut off if an electrical short is detected for your safety.\u003c\/span\u003e\u003c\/p\u003e","brand":"Tetra","offers":[{"title":"100 watt","offer_id":44005303976024,"sku":"42849-1","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/0277\/0264\/files\/42849.png?v=1790098321","url":"https:\/\/feederspetsupply.com\/products\/tetra-ht30-submersible-aquarium-heater-thermostat-100-watt","provider":"Feeders Pet Supply","version":"1.0","type":"link"}