Can I put this in my (already hatched) sea monkeys tank? I know they're sensitive and I don't wanna kill the babies. I just want to keep them warm :( : r/SeaMonkeys
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YukiHalu Small Submersible Aquarium Heater, Adjustable Mini Fish Tank Heater 25W 50W 100W 200W 300W with External Temperature Controller, LED Display, Used for 5/10/20/40/60 Gallons (25 Watts) : Amazon.ca: Pet Supplies
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Aqueon Small Aquarium Fish Tank Submersible Mini Flat Heater Up to 5 Gallon Aquariums, 10 Watts : Amazon.ca: Pet Supplies
Zoo Med ReptiTherm Mini Under Tank Heater (1-5 Gallon)