What To Look For When Buying A Used Hot Tub -

Ask the seller to remove the side panels so you can see the "guts".

Lift it. A good cover should be light. If it feels like it weighs 200 pounds, it’s waterlogged and has lost its insulation value; you’ll need to factor in several hundred dollars for a replacement. The "Wet Test": Seeing it in Action what to look for when buying a used hot tub

Look for "gentle weeping" from seals, mineral deposits (white crusty spots), or damp insulation. Leaks in fully insulated tubs are notoriously difficult and expensive to fix. Ask the seller to remove the side panels

Scan for cracks, blistering, or significant fading. While small cosmetic scratches are common, deep cracks through the shell can be structural dealbreakers. mineral deposits (white crusty spots)