[ted]

ours is 500 gallon, 220v.
Its always 101 degrees, filter and heater run an hour twice a day.
helps to have a spa step and a cover lift.
https://www.spadepot.com/CoverMate-III---Side-Mount-P9338C49.aspx?zmam=55673001&zmas=1&zmac=1&zmap=AC1066&gclid=EAIaIQobChMIp6OI4bqy2AIVF9VkCh1_7gaVEAQYBSAB EgJdt_D_BwE