![Mylivell Aquarium Heater 25W 50W 100W 200W 300W Submersible Auto Thermostat Fish Tank Heater, Small Aquarium Heater for 10-100 Gallon Fish Tank, Freshwater & Saltwater Compatible : Amazon.ca: Pet Supplies Mylivell Aquarium Heater 25W 50W 100W 200W 300W Submersible Auto Thermostat Fish Tank Heater, Small Aquarium Heater for 10-100 Gallon Fish Tank, Freshwater & Saltwater Compatible : Amazon.ca: Pet Supplies](https://m.media-amazon.com/images/I/619VZgcLk1L._AC_UF1000,1000_QL80_.jpg)
Mylivell Aquarium Heater 25W 50W 100W 200W 300W Submersible Auto Thermostat Fish Tank Heater, Small Aquarium Heater for 10-100 Gallon Fish Tank, Freshwater & Saltwater Compatible : Amazon.ca: Pet Supplies
![Do platys need a heater? The tank is at 70 degrees without one. I have 11 platys in this 30 gallon, is that a good amount or can I add more? : r/ Aquariums Do platys need a heater? The tank is at 70 degrees without one. I have 11 platys in this 30 gallon, is that a good amount or can I add more? : r/ Aquariums](https://preview.redd.it/do-platys-need-a-heater-the-tank-is-at-70-degrees-without-v0-d3b04cxl3fua1.jpg?width=640&crop=smart&auto=webp&s=db5d6f607eb89a36d1186978a27a88d0dd6dba49)
Do platys need a heater? The tank is at 70 degrees without one. I have 11 platys in this 30 gallon, is that a good amount or can I add more? : r/ Aquariums
![INKBIRD Titanium Aquarium Heater for Freshwater or Saltwater Tanks 300W Submersible Fish Tank Heater with Smart IC Chip andWaterproof LCD Screen Adjustable Heating Temperature 68℉-94℉(20°C-34°C) : Amazon.ca: Pet Supplies INKBIRD Titanium Aquarium Heater for Freshwater or Saltwater Tanks 300W Submersible Fish Tank Heater with Smart IC Chip andWaterproof LCD Screen Adjustable Heating Temperature 68℉-94℉(20°C-34°C) : Amazon.ca: Pet Supplies](https://m.media-amazon.com/images/I/61NpYD54F2L.jpg)