The Secret to Happy, Healthy Koi: Getting the Water Temperature Just Right
Monitor water temperature daily, aiming for a steady 65-75°F (18-24°C) range. Koi thrive in this “Goldilocks zone.”
Install a reliable pond thermometer and check it at the same time each morning. Sudden fluctuations of even a few degrees can stress koi.
Regulate temperature proactively with solutions like pond heaters in winter and shade sails in summer. An ounce of prevention is worth a pound of cure.
Act fast if temps creep outside the ideal range. Have a plan ready to gradually warm or cool the water before koi health declines. Time is of the essence.
Understand that koi are hardy but have …