Aquachek MPS Test Strips (50 ct) H2X Spas or any other Master Spas

or any other Master Spas model

High titanium dioxide (whitening agent with strengthening characteristics) used in filter housing for stronger

If you have a model not listed above or are unsure how many filter your hot tub needs please call us so our technical team can assist you and make sure that we match you with the appropriate filters

Designed for a secure and reliable connection

- Diameter: 5 inches

Aquachek MPS Test Strips (50 ct) H2X Spas or any other Master SpasTest strips to test for pH, Total Alkalinity and MPS levels. Maintaining a proper pH level helps prevent scale formation and corrosion which can lead to costly repairs. Alkalinity helps keep your pH level stable eliminating erratic bouncing. MPS is your measure for ensuring the proper level of Energize or Oxidizing Shock is present in your water.