Celsius is a temperature scale where 0 C indicates the melting point of ice and 100 C indicates the steam point of water.Yup, it's the melting point of ice, not the freezing point of water.elsius is a temperature scale where 0 C indicates the melting point of ice and 100 C indicates the steam point of water.
Biological filters: Replace the carbon when the aquarium water turns cloudy, or at least once every two months. Chemical filters: Give the chemical filter a good cleaning out when it appears to be clogged, malfunctioning or working very slowly. More frequent cleanings may be needed if your fish is sick.
THE RIGHT TIME TO CHANGE. 1  Your filter performance will depend on how much you use it and on the water source quality, but a good rule of thumb is that it should be changed sometime between 3 and 6 months, at the most, or as specified by the manufacturer.TEP-BY-STEP INSTRUCTIONS FOR LSC27925. When the filter icon turns on, you have to change the water filter. Press the Filter button for 3 seconds to turn the icon off. Please order a replacement LT500P filter from our website before removing your current filter. Then, just follow these steps and you'll do it in no time.