Swimming Pool Water Balance Equations Formulas Calculator

Maintenance Hot Tub Pool Wading

Below are two methods to solve for the Langelier Saturation Index. Method 1 automatically calculates the various factors (temperature, hardness and alkalinity). For method 2, the user will need to manually look up the values from the table and place the values into the calculator.


Method #1
Solving for Langelier Saturation Index.


Method #2
Solving for Langelier Saturation Index.

Langelier saturation index equation
Water Temperature (°F)
Temperature Factor (TF)
CaCO3 PPM
Calcium Hardness (CF)
Total Alkalinity PPM CaCO3
Alkalinity Factor (AF)
32
0.0
5
0.3
2
0.7
37
0.1
25
1.0
25
1.4
46
0.2
50
1.3
50
1.7
53
0.3
75
1.5
75
1.9
60
0.4
100
1.6
100
2.0
66
0.5
150
1.8
150
2.2
76
0.6
200
1.9
200
2.3
84
0.7
300
2.1
300
2.5
94
0.8
400
2.1
400
2.6
105
0.9
800
2.5
800
2.9
128
1.0
1000
2.6
1000
3.0

Langelier Saturation Index (SI)
Condition
-0.5 < SI <0.5
balanced
> 0.5
scale forming
over saturated
< 0.5
corrosive
under saturated

Inputs:
pH
temperature factor (TF)
calcium hardness factor (CF)
alkalinity factor (AF)


Conversions:
pH
= 0
= 0
temperature factor (TF)
= 0
= 0
calcium hardness factor (CF)
= 0
= 0
alkalinity factor (AF)
= 0
= 0


Solution:
Langelier Saturation Index (SI)
= NOT CALCULATED


Change Equation
Select to solve for a different unknown
Langelier Saturation Index Langelier Saturation Index
ph test kit pH (test kit)
temperature factor temperature factor
calcium hardness factor calcium hardness factor
alkalinity factor alkalinity factor

turnover rate or time turnover rate or time
pool volume or size pool volume or size
pump flow rate pump flow rate

References - Books:
Haan, William D. and Johanningsmeier, Julie S. Swimming Pool Pest Management: A Training Manual for Commercial Pesticide Applicators and Swimming Pool Operators. Kent County Health Department and Michigan State University. Unknown date.
Infant Growth Charts - Baby Percentiles Overtime Pay Rate Calculator Salary Hourly Pay Converter - Jobs Percent Off - Sale Discount Calculator Pay Raise Increase Calculator Linear Interpolation Calculator Dog Age Calculator Ideal Gas Law Calculator Thermal Expansion Calculator Swimming Pool Water Balance pH Math Equations Formulas Calculators Temperature Conversion Calculator Reynolds Number Calculator Darcy Law Equations Calculator Physics Equations Formulas Calculators Hydraulic Radius Formulas Calculator Ohm Law Calculator Microorganism Kinetics Calculator Power Equations Formulas Calculator Horsepower Car Equations Calculator Fraction: Add Subtract Multiply Orifice Flow Rate Calculator Subwoofer Box Calculator Potential Energy Formulas Calculator Line Equations Formulas Calculator Ported Subwoofer Box Calculator Hazen Williams Equations Calculator

Online Web Apps, Rich Internet Application, Technical Tools, Specifications, How to Guides, Training, Applications, Examples, Tutorials, Reviews, Answers, Test Review Resources, Analysis, Homework Solutions, Worksheets, Help, Data and Information for Engineers, Technicians, Teachers, Tutors, Researchers, K-12 Education, College and High School Students, Science Fair Projects and Scientists

By Jimmy Raymond
View Jimmy Rayamond's profile on LinkedIn

Contact: aj@ajdesigner.com

Privacy Policy, Disclaimer and Terms

Copyright 2002-2015