Do not worry about submersible aquarium heater heating slowly. Please look at the guide, will make the effect of heating rod better. 1 different city temperatures are not the same, will lead to aquarium heater heating effect is affected. In low temperature cities, it is recommended to use high-power aquarium heater. 2 If 30GPH with 100W heating rod, the effect is not obvious. So choose the right aquarium heater. 3 Do not place it in the outlet or where the water flows quickly. This will speed up the loss of heat. Applicable fish tank size: JRB-100&JRB-210 is suitable for 13~26GPH fish tank JRB-200&JRB-220 is suitable for 26~40GPH fish tank JRB-300&JRB-230 is suitable for 26~53GPH fish tank JRB-250 is suitable for 26~80GPH fish tank How to calculate the range of heating bars[Fish tank length（in） ×Fish tank(in) width×Water level(in)]÷787.4=Heating rod power Application: aquarium fish tank. Fish aquarium heating Suitable for fresh water and seawater Specification: Power: 300 Watts Voltage: 110 - 120 V @ 60Hz Length of Power Cord:4.9ft(1.5m) Dimension: 1.57in x 1.57in x 13.78in Weight:0.77lb Why Choose SONGJOY Submersible Aquarium heater? We use high-quality glass to make the heating parts of the shell, increase the safety factor. Stable and reliable high-quality materials to ensure the output of heat, so that the aquarium water temperature remains constant..Please check whether the product is damaged before use. The heating rod into the aquarium for 15 minutes and then power, adjust the temperature. This product should all sneak into the water. The temperature indication range can be adjusted between 20 ° C and 34 ° C (35 ° F to 93 ° F)..Strainer protects impeller from damage.One year manufacturer warranty.
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