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Propane Heater - Powerblanket Lite 1000-Gallon Gas Cylinder Tank Heater, 100F 814491016682 | eBay
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Aquarium Efficiency - Institute on the EnvironmentInstitute on the Environment
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fishkeeper 600W Aquarium Heater, Double Tube Adjustable Fish Tank Heater Double Heating Speed Submersible Glass Water Heater for Saltwater Freshwater 60-130 Gallon Fish Tank : Amazon.ca: Pet Supplies
Propane Heater - Powerblanket Lite 1000-Gallon Gas Cylinder Tank Heater, 100F 814491016682 | eBay
Powerblanket Heater for 500 Gallon Propane Tank - John M. Ellsworth Co. Inc.
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Looking at heater options for a possible 1000 gallon tank | REEF2REEF Saltwater and Reef Aquarium Forum
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