Lamotte Pool & Spa Owner's Handbook Manuel d'utilisateur

Chlorine Treatment CompoundsTrade Name(Proper Name)% AvailableChlorine pHLiquid Chlorine (Sodium Hypochlorite) 12% 13.0Litho (Lithium Hypochlorite) 35

pHWater Balance - Protecting the Pool or SpapH is the measure of the acidity of the water. The pH scale extends from0 to 14 with 7 being neutral. As t

If pH Is Too LOW (Acidic)ncorrosion of pool equipment/stainingnswimmer eye irritationnetching plaster pool surfacesnchlorine dissipates quicklyIf pH I

TOT AL HARDNESSTotal hardness refers to the level of dissolved calcium and magnesiumin the water. The most common contributor of hardness is from the

THE IMPORTANCE OF OTHERW ATER TEST F ACTORSThe following test factors may occasionally be a factor in your watermanagement program. Learning about the

TEMPERATUREWhile water temperature is an important comfort factor for bathers, it canalso play a small role in accelerating corrosion or scale formati

Manganese is much more rare than copper or iron, but can leave behindblackish specks on the walls and components. Pool professionals normallyrecommend

TROUBLE-SHOOTING WATERPROBLEMSALGAEAlgae is probably the most annoying water problem in outdoor pools,since it is so unsightly and difficult to destro

ALGAE (continued)COLOR GREEN ALGAE BLACK ALGAE MUSTARD ALGAEAPPEARANCE Pea green color.Sometimes colorsentire body of water.Also attaches to poolsurfa

CLOUDY W ATERCloudy pool water is an unfortunate, but common problem in swimmingpools. The usual causes of poor water clarity are improper filtration,

COLORED WATERColorless pool water is everyone’s goal, but there are those instances whenit is difficult to achieve. Colored water is an ugly nuisance

STAINSWhen stains appear on swimming pool surfaces, immediate action shouldbe taken to avoid costly and annoying repairs. Brushing can often removefre

SCALE FORMA TIONSCrusty, white deposits on pool surfaces signal a severely high level of oneor more of the water balance factors. Scale deposits not o

EYE & SKIN IRRIT ATIONSEye and skin irritations are another common problem for swimming poolbathers. In addition to such irritations within the wa

W ATER TREATMENT TABLESVOLUME CALCULATIONSChemical adjustments are vital to proper sanitation and water balance.Since adjustments are based on the vol

2. Any circular shaped poolExample 3 (U.S. Customary Units):diameter 1 = 20 feetdiameter 2 = 20 feetavg. depth = 4 feetvolume = (length x width x avg.

ADJUSTING pHIt is recommended that dry chemicals first be mixed into a generousamount of water in increments of about two pounds (1 kg), and thepredis

ò Lowering pH to 7.5 with Muriatic Acid*U.S. Customary Units:Startingfrom100Gallons1,000Gallons5,000Gallons10,000Gallons20,000Gallons50,000GallonspH —

ñ Raising pH to 7.5 with Soda Ash*U.S. Customary Units:Startingfrom100Gallons1,000Gallons5,000Gallons10,000Gallons20,000Gallons50,000GallonspH — Tsp L

ADJUSTING CHLORINEIt is recommended that dry chemicals first be mixed into a generousamount of pool water in increments of about two pounds (1 kg), an

TABLE OF CONTENTSChapter 1:WhyYouShouldTestTheWater...2Chapter 2:Usingthe5-WayTestStrip...4Chapter 3:The

ñ Raising Chlorine 1 ppmU.S. Customary Units:100Gallons1,000Gallons5,000Gallons10,000Gallons20,000Gallons50,000GallonsTspOzOzOzOzOzSodhypo* 1 1 oz 7 1

ADJUSTING ALKALINITYIt is recommended that dry chemicals first be mixed into a generousamount of pool water in increments of about two pounds (1 kg),

ò Lowering Alk alinity with Dry AcidU.S. Customary Units:100Gallons1,000Gallons5,000Gallons10,000Gallons20,000Gallons50,000Gallonsppm TspOzLbOzLbOzLbO

ò Lowering Alk alinity with Muriatic AcidU.S. Customary Units:100Gallons1,000Gallons5,000Gallons10,000Gallons20,000Gallons50,000Gallonsppm TspOzPtOzPt

ñ Raising Alk alinity with Sodium BicarbonateU.S. Customary Units:100Gallons1,000Gallons5,000Gallons10,000Gallons20,000Gallons50,000GallonsTo Raiseppm

ADJUSTING HARDNESSIt is recommended that dry chemicals first be mixed into a generousamount of pool water in increments of about two pounds (1 kg), an

ñ Raising Hardness with Calcium ChlorideU.S. Customary Units:100Gallons1,000Gallons5,000Gallons10,000Gallons20,000Gallons50,000GallonsTo Raiseppm TspO

ADJUSTING CYANURIC A CIDIt is recommended that dry chemicals first be mixed into a generousamount of water in increments of about two pounds (1 kg), a

ñ Raising Cyanuric AcidU.S. Customary Units:100Gallons1,000Gallons5,000Gallons10,000Gallons20,000Gallons50,000GallonsTo Raiseppm — Tsp Lb Oz Lb Oz Lb

WHY YOU SHOULD TEST THE WATERThe two most important reasons to test the water:#1 To protect the batherThe goal of every pool and spa owner is to have

Additional reasons to routinely test your water:In addition to the obvious goal of determining what treatment chemicalsare needed to protect the bathe

USING THE 5-W AY TEST STRIPIt is important to carefully read the instructions on the test strip bottlefor proper use. In order to consistently obtain

TipsKeep wet fingers out of the bottle. Strip p ads will react if they get wet so shakeout a strip and pick it up with dry fingers.Close vial tightly

THEROLEOFEACHPRIMARYTEST FACTORSanitizers - Protecting the BatherA sanitizer must work quickly and efficiently to keep the waterenvironment just as he

There are also non-chlorine shocks available, such as potassiummonopersulfate and sodium dipersulfate. These will eliminate combinedchlorine. Keep in