Designed to keep your brew or wine at a constant temperature even in hot climates. An economical and space saving substitute for expensive refrigerator modifications. Fits all carboys up to 6.5 gallons with airlock attached - Fits all standard fermenters up to 8 gallons with airlocks attached. To cool, just add ice packs, bottles or bags of ice or other cold objects (use your imagination) and switch out as needed to keep within the target temperature range. To heat, use a heating pad with thermostat control.
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