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Acid/Base Addition
for pH Adjustment
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© WQTS, Inc. 2019. All Rights
Reserved
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Ver. 2.0
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www.WQTS.om
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ENTER VALUES
IN YELLOW CELLS ONLY
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By using this calculator, You,
the user, understand and agree that 1) WQTS makes no warranties of the
accuracy of its calculations, 2) you use it at your own risk, and 3) you
indemnify WQTS, its owners, employees, and agents from any and all damages,
costs, harm, penalties, injuries, claims, or loss, financial or otherwise,
resulting from, or in any way related to, Your use of this calculator.
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(1) - Enter Water Quality Before Chemical Addition:
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Water pH =
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Water Alkalinity =
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mg/L as CaCO3
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Calcium Concentration =
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mg/L
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Total Dissolved Solids (TDS) =
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mg/L
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Water Temperature =
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oC
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(2) - Enter WTP Flow Information:
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Annual Ave-Day Water Flowrate =
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MGD
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Max-Day Water Flowrate =
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MGD
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(3) - Enter Target pH:
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Target pH =
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(4) - Select Chemical to Apply:
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If lowering pH, Select Acid to be Used:
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If raising pH, Select Caustic to be Used:
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(5) - Read Chemical Mass Usage Rate:
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mg/L
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Annual Usage Rate =
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tons/yr
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Ave-Day Usage Rate =
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lbs/day
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Max-Day Usage Rate =
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lbs/day
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(6) - Estimate Chemical Solution Usage Rate:
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Enter Chemical Content of Solution (% by wt.) =
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%
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Enter Solution's Specific Gravity =
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Estimated Ave-Day Usage Rate =
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gallons/day
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Estimated Max-Day Usage Rate =
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gallons/day
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(7) - Compare Water Quality Before & After
Chemical Addition:
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Before
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After
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pH =
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--
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Alkalinity =
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mg/L as CaCO3
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Calcium =
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mg/L
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Approximate TDS =
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mg/L
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Langelier CaCO3 Saturation Index (LSI) =
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CaCO3 Precipitation Potential (CCPP) =
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mg/L as CaCO3
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Aggressive Index (AI) =
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Ryznar Index (RI) =
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Dissolved Inorganic Carbon (DIC) =
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mg C/L
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