![Amazon.com: INKBIRDPLUS 300W Submersible Aquarium Heater Titanium Fish Tank Auto Thermostat with LED Digital Temperature Readout and External Temperature Controller for Salt Water and Fresh Water : Pet Supplies Amazon.com: INKBIRDPLUS 300W Submersible Aquarium Heater Titanium Fish Tank Auto Thermostat with LED Digital Temperature Readout and External Temperature Controller for Salt Water and Fresh Water : Pet Supplies](https://m.media-amazon.com/images/I/71Mak2-CWiL.jpg)
Amazon.com: INKBIRDPLUS 300W Submersible Aquarium Heater Titanium Fish Tank Auto Thermostat with LED Digital Temperature Readout and External Temperature Controller for Salt Water and Fresh Water : Pet Supplies
![Amazon.com : Orlushy 25W Small Submersible Aquarium Heater, Constant Temperature Betta Fish Tank Heater of 78℉for 1-6 Gallons Freshwater & Saltwater Tanks : Pet Supplies Amazon.com : Orlushy 25W Small Submersible Aquarium Heater, Constant Temperature Betta Fish Tank Heater of 78℉for 1-6 Gallons Freshwater & Saltwater Tanks : Pet Supplies](https://m.media-amazon.com/images/I/61QNjDPeYIL.jpg)
Amazon.com : Orlushy 25W Small Submersible Aquarium Heater, Constant Temperature Betta Fish Tank Heater of 78℉for 1-6 Gallons Freshwater & Saltwater Tanks : Pet Supplies
![Amazon.com: PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks (Preset Temperature 78℉) : Pet Supplies Amazon.com: PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks (Preset Temperature 78℉) : Pet Supplies](https://m.media-amazon.com/images/I/41GVoV+XbbS.jpg)
Amazon.com: PULACO 25W Small Aquarium Betta Heater with Free Thermometer Strip, Under 6 Gallon Fish Tanks (Preset Temperature 78℉) : Pet Supplies
![Amazon.com: hygger 300W Aquarium Heater with External Digital Temperature Controller Reef Saltwater Fish Tank Heater for 30-60 Gallon Tank : Pet Supplies Amazon.com: hygger 300W Aquarium Heater with External Digital Temperature Controller Reef Saltwater Fish Tank Heater for 30-60 Gallon Tank : Pet Supplies](https://m.media-amazon.com/images/I/614dd-vTlRL.jpg)
Amazon.com: hygger 300W Aquarium Heater with External Digital Temperature Controller Reef Saltwater Fish Tank Heater for 30-60 Gallon Tank : Pet Supplies
![Thinking about getting this 5 gallon Top Fin aquarium starter kit. Wondering about the flow for a betta? It says for the filter up to 90 gallons per hour. What does that Thinking about getting this 5 gallon Top Fin aquarium starter kit. Wondering about the flow for a betta? It says for the filter up to 90 gallons per hour. What does that](https://preview.redd.it/g6oibvdm1gg81.jpg?width=3024&format=pjpg&auto=webp&s=65d8c748e8f1157d857a3a7ddc62f0123dff21da)
Thinking about getting this 5 gallon Top Fin aquarium starter kit. Wondering about the flow for a betta? It says for the filter up to 90 gallons per hour. What does that
![What do you recommend for a heater for a 20 gal? I got the aquarium kit from PetSmart but have read that the heaters suck/ are unreliable… and would rather not come What do you recommend for a heater for a 20 gal? I got the aquarium kit from PetSmart but have read that the heaters suck/ are unreliable… and would rather not come](https://preview.redd.it/asu5ezlqu2j81.jpg?auto=webp&s=b54144a2f414f6b03cc252f5ea55debe2d043997)