Labels:hakham | sky OCR: Aquarium separate thermometer, sudden temperature Equipment changes can be harmful vour fish. Controlling Temperature Aquarium heaters are essential equipment for tropical fish Different species tropical fish have varving temperature reguirements but most are comfortable within range of 720-800F (220-270C). Aquarium Heater Be careful to monitor the water temperature with Exit your eguipment varvinc redviremen 27gC carefu wate
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