Qca Spas Majestic Series Aruba Xl Hot Tub "measure sq ft" Questions

...4-15/16" x 13-15/16" 50 sq ft c-4995 4-15/16" x 23-5/8" 95 sq ft c-5397 5-5/16" x 17-13/16" 80 sq ftyou will need to measure the inside height and diameter of housing and see which one will fit

...measure proper amount of DE... get a 1lb coffee can or a dedicated DE cup/scoop Blue Devil B8300 Rake Scoop with Handle Find your Square Foot of your filter, most times its part of the model number, ...