Intex PureSpa SJB-HS-20 User Manual

264
A
S AVE THESE INSTRUCTIONS
(264IO) SPA (JET + BUBBLE) ENGLISH 7.5” X 10.3” PANTONE 295U 11/21/2014
English
Page 18
SPA WATER CHEMISTRY AND BALANCE (continued)
Desired level 60 ppm 80 ppm 100 ppm 120 ppm 140 ppm
Volume:
210 gal / 800 L
0.269 Lb 0.358 Lb 0.448 Lb 0.528 Lb 0.627 Lb
121 g 161 g 202 g 238 g 283 g
Volume Total Alkalinity
From→To
8.4→7.2 7.8→7.2
210 gal
(800 L)
120 ppm
0.028 qt 0.019 qt
26 mL 18 mL
80 ppm
0.018 qt 0.013 qt
18 mL 12 mL
Lowering Total Alkalinity
Amount of Sodium Bisulfate to lower Total Alkalinity
Desired level 20 ppm 40 ppm 60 ppm 80 ppm
Volume:
210 gal / 800 L
0.059 Lb 0.118 Lb 0.178 Lb 0.237 Lb
27 g 53 g 80 g 107 g
Raising Total Alkalinity
Amount of Sodium Bicarbonate to raise Total Alkalinity
Desired level 60 ppm 80 ppm 100 ppm 120 ppm 140 ppm
Volume:
210 gal / 800 L
0.101 qt 0.135 qt 0.169 qt 0.202 qt 0.234 qt
96 mL 128 mL 160 mL 192 mL 223 mL
Amount of Muriatic Acid to lower Total Alkalinity
(Muriatic acid: 31.45%)
pH Adjustment
After the total alkalinity has been lowered to 120 ppm or raised to 80ppm and the pH is still high or low, you
can adjust it using the following chart.
Lowering pH
Lowering pH Using Muriatic Acid
Volume Total Alkalinity
From→To
8.4→7.2 7.8→7.2
210 gal
(800 L)
120 ppm
0.071 Lb 0.047 Lb
32 g 21 g
80 ppm
0.047 Lb 0.032 Lb
21 g 14 g
Lowering pH Using Sodium Bisulfate

Intex PureSpa SJB-HS-20 Specifications

General

Brand	Intex
Model	PureSpa SJB-HS-20
Category	Swimming Pool
Language	English