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Amazon.com : CORISRX 150w/300w/500w in-Line External Heater Aquarium Heater - 150/300/500 WATT 1/2",5/8" (Applied to Both Sizes) (Black 300 Watt 5/8",1/2" Hose) : Pet Supplies
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help me convince my mom that this is not good fish care at all, she wont listen when i say he needs a bigger tank, filter, heater, etc... : r/shittyaquariums
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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
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