PH WERT - MINUS 1,5 KG armstark filter then underneath is the 1

then underneath is the 1 1/2 inch fine thread) among others instead of 73178 Tri-X

After that

1 1/2" coarse thread - OD approx

Contents of the hot tub filter set:

Lotus 600 DP im Schwimmbereich

PH WERT - MINUS 1,5 KG armstark filter then underneath is the 1Acid Granulate for pH Reduction The pH value of the water is one of the most important factors for the optimal effectiveness of swimming pool disinfectants. pH (minus) granulate is used to lower the pH value, and pH + (plus) granulate is used to raise the pH value. The optimal pH range is 7. 0 7. 4. Deviations increase the required dosages of other products or reduce their effectiveness. Measurement can be done using test strips or tablets. For