Cardinal Aquatech Pools of Oklahoma

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FREQUENTLY ASKED QUESTIONS
WATER CHEMISTRY AND CHEMICALS

Table of Contents

  1. How do I raise my Total Alkalinity?

  2. What do I do to decrease Total Alkalinity?

  3. What are the best ranges for PH, Total Alkalinity and Chlorine?

  4. How do I lower my PH?

  5. How do I raise my calcium?

  6. How do I raise my chlorine?

  7. How much stabilizer do I need to add?

  8. What do I do to super chlorinate my pool?

  9. What about Green Algae?

  10. What about Black Algae?

  11. What about Mustard Algae?

  12. What about Pink Slime?

  13. Can I control Water Mold?

  14. My animals swim in the pool.  How do I rid the insects from the water?

  15. How do I control my Chlorine demand?

  16. How do I treat cloudy water?

  17. What causes discolored water and I do I treat it?

  18. What is causing my filtration problems?

  19. What do I do about pool odor and eye irritation?

  20. What do I do about scale build up?

  21. How do I stop the etching in the pool?

  22. What causes Liners to wrinkle?

  23. What causes bleaching?

  24. What causes a Tar/Pool Goo problem?

  25. How do I handle stains?

  26. How do I handle testing problems?

  27. What causes Foaming?

  28. Why is hair turning green?

  29. What problems does rain bring?

  30. What causes Skin rashes?

  31. What is causing water loss?


How do I raise my Total Alkalinity?

Use Balance Pak 100, which is Bicarb.  Add 1 1/2 lbs per 10,000 gals to raise 10 ppm.

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What do I do to decrease my Total Alkalinity?

Add 1.60 pints of acid per 10,000 gals.

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What are the best ranges for PH, Chlorine and Total Alkalinity?

PH - 7.4-7.6
TA - 125-150
CH - Plaster pool, 200-275 and a Vinyl pool, 175-225

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How do I lower my PH ?

Use Lo'N Slo/Dry Acid
PH - 7.2-7.6 OK
PH - 7.7-8.0  Add 3/4 lbs
PH - 8.1-8.4  Add 1.25 lbs
PH - 8.4-above  Add 1 1/2 lbs

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How do I raise my calcium?

Use Balance Pak 300
1 lb per 10,000 gallons to raise 10 ppm

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How do I raise my chlorine?

Add tabs or sticks to skimmer or shock the pool.

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How much stabilizer do I add?

1 lb per 4,000 gals - increases to 30 ppm

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What do I do to super chlorinate my pool?

When super chlorinating to remove algae, use 65% Chlorine. 
Pool Shock/Burn Out 35 - 4 lbs per 10,000 gals in a White Plaster pool
Vinyl Pools use Burn Out.  Dilute well and pour the liquid, but not the granules into the Vinyl pool.
Use 4 lbs. per 10,000 gallons.

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What about Green Algae?

Problem Type   Description   Possible Causes   Solution
Green Algae   Murky green water, possibly some growth   Low sanitizer
Poor maintenance
Environmental
Poor Circulation
  Spot Kill or Burn Out and Back-Up
Clean Filter
Check System

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What about Black Algae?

Problem Type   Description   Possible Causes   Solution
Black Algae   Rough black spots on bottom that brush with effort   Low sanitizer
Poor maintenance
Environmental
Poor Circulation
  Spot Kill and brushing
Clean Filter
Check System

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What about Mustard Algae?

Problem Type   Description   Possible Causes   Solution
Mustard Algae   Yellowish-gold growth that easily brushes away.
Yellowish green water.
  Low sanitizer
Poor maintenance
Environmental
Poor Circulation
 
  Brush
Mustard Buster
(Use according to label's instructions)

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What about Pink Slime?

Problem Type   Description   Possible Causes   Solution
Pink Slime   Bright pink slimy bacterial growth that brushes easily   Low sanitizer,
Pool maintenance,
Environmental
Poor Circulation
  Spot Kill and brushing
Clean the filter
Check the System

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Can I control Water Mold?

Problem Type   Description   Possible Causes   Solution
Water Mold   White mucous or tissue paper-like substance.   Low sanitizer
Poor maintenance
Environmental
Poor Circulation
  Spot Kill or Burn Out and Back-Up
Clean Filter
Check System

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My animals swim in the pool.  How do I rid the insects from the pool?

Problem Type   Description   Possible Causes   Solution
Animals and insects   Water bugs, ducks, dogs, frogs, etc. taking a dip   Environmental   Burnout to eliminate organic contamination. Back-Up to discourage water bugs.

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How do I control my chlorine demand?

Problem Type   Description   Possible Causes   Solution
Chlorine Demand   Unable to maintain free chlorine level or cannot break high combined chlorine   Foreign or environmental contaminants/Poor maintenance   Burn Out
Burn Out 35

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How do I treat cloudy water?

Problem Type   Description   Possible Causes   Solution
Cloudy Water   Hazy or extremely cloudy.  Difficulty seeing the bottom.   Poor filtration and circulation   Check pump and filter. Clean and run the pump continuously.
             
        Chloramines or low sanitizer   Add Burn Out or Burn Out 35
             
        Poor water balance   Balance the water.  Bring a sample in to the store.
             
        Particulate matter   Polysheen Blue and Sparkle-Up or Power Floc
 

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What causes colored water and how do I treat it?

Problem Type   Description   Possible Causes   Solution
Gray, clear green, or turquoise   Copper   Equipment corrosion, Outside contamination, Fill Water, Use of Copper Algaecide   Pool Magnet Plus and Sparkle-Up
             
Coffee Brown or Purple   Manganese   Outside contamination, Fill Water   Pool Magnet Plus and Sparkle-Up
             
Reddish-brown or rust   Iron   Outside contamination, Fill Water   Pool Magnet Plus and Sparkle-Up

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What is causing my filtration problems?

Problem Type   Description   Possible Causes   Solution
Filtration Problem   Clogging Filter or short filter runs   Dirty filter, media not cleaned, improper amount of filter media   Replace filter media.  Clean with Kleen-It or Strip Kwik

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What do I do about pool odor and eye irritation?

Problem Type   Description   Possible Causes   Solution
Odor and Eye Irritation   Pool has a sharp irritating odor   Chloramines, perspiration, oils, urine, lotions   Burn Out, Burn Out 35, Oxysheen

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What do I do about scale build up?

Problem Type   Description   Possible Causes   Solution
Scale Buildup   Sandpaper like buildup on surface
grayish or tan and difficult to brush
  Improper water balance
High Total Alkalinity, pH or Chlorine
 
  Scale Inhibitor
Balance Water
Acid Wash

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How do I stop etching in the pool?

Problem Type   Description   Possible Causes   Solution
Etching   Pitting of plaster surfaces   Improper water balance
Low Total Alkalinity, pH or Chlorine
  Balance Water
Replace place surface

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What causes liners to wrinkle?

Problem Type   Description   Possible Causes   Solution
Liner Wrinkling   Wrinkles in vinyl liner   Improper water balance
Low Total Alkalinity, pH or Chlorine
  Balance Water
Replace Liner
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What causes bleaching?

Problem Type   Description   Possible Causes   Solution
Bleaching   Pale to white and spotty discoloration on the surface   Improper chemical addition

 
  Replace liner
repaint surface
Pre-dissolve dry substances before addition
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What causes a Tar/Pool Goo problem?

Problem Type   Description   Possible Causes   Solution
Tar/Pool Goo   Dark sticky substance on surface of walls and floor of vinyl pool   Water in reaction with new liner.
Plasticizers coming from liner
  Burn Out
Burn Out 35
Frequent brushing
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How do I handle staining?

Problem Type   Description   Possible Causes   Solution
Staining   Black, green, turquoise, brown spots on bottom that do not brush up   Metal Stains   Pool Magnet Plus
     
Fungus under liner   Pull up liner and clean from underneath
             
        Tannic Acid Stains (leaves and debris)   Burn out or Burn Out 35
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How do I handle testing problems?

Problem Type   Description   Possible Causes   Solution
Reagent Bleaching   Color of test fades to clear   High Chlorine or Bromine levels   Add up to 5 drops of Chlorine Neutralizer
Reagent Discoloration   Reagent color is different than it should be
example:  pH Test turns purple, DPD turns brown
  Interference from high sanitizer level

Old test reagents

 
  Add up to 5 drops of Chlorine Neutralizer

Replace reagents

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What causes Foaming?

Problem Type   Description   Possible Causes   Solution
Foaming   Bubbles on pool surface   Excessive algaecide
Foreign substance
  Anti-Foam
Determine source and drain if necessary
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Why is hair turning green?

Problem Type   Description   Possible Causes   Solution
Green Hair   Blonde hair turns green after swimming   Copper

 
  Pool Magnet Plus in pool
Lemon juice or vinegar in hair to remove color
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What effects does rain have on a pool?

Problem Type   Description   Possible Causes   Solution
Rain   Rain washes debris into pool and raises water level, increases sanitizer demand   Environmental



 
  Rebalance water after circulating 24 hours
Burn Out
Burn Out 35
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What causes skin rashes?

Problem Type   Description   Possible Causes   Solution
Skin Rash   Rash- spots appear on torso approximately 24-36 hours after using spa or pool

Irritation, mild discomfort

  Bacterial contamination

 

 


Poor Water Balance

  Spas - drain, refill, triple shock, circulate, drain and rebalance. 
Consult physician for rash


Balance water
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What causes water loss?

Problem Type   Description   Possible Causes   Solution
Water loss   Less than 1/2" daily   Evaporation   Solar cover
    1/2" to 1" daily   Active bather load,
evaporation
  Solar cover
    Over 1" daily   Possible leak   Professional assistance
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Copyright 2002  Cardinal Aquatech Pools. All rights reserved.
Revised: 12/01/06.