Bedienungsanleitung Caldera Vacanza-serie 2023 (Seite 29 von 40) (Englisch)

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Water Quality and Maintenance

FUNDAMENTALS OF WATER

MAINTENANCE

Testing: Test the water weekly or each time the spa is used with

convenient 5-way test strips or more accurate liquid/tablet reagent

test kit per instructions. Critical parameters: sanitizer level, pH,

Calcium Hardness (CH), and Total Alkalinity (TA). Store test

equipment in a dark, cool, dry place to maintain potency.

Water Filtration: The filtration used in CALDERA spas helps keep

water clean by circulating sanitizer and removing waste from the

spa. Regularly inspect and clean filters for peak performance.

Chemical Balance/pH Control: It is important to adjust the primary

water parameters (Total

Alkalinity, Calcium hardness,

pH) into the recommended

ranges so that they are

stabilized or balanced.

Balance the water chemistry

every time you fill the spa

with new water and then

during the life of that body of

water. Keeping the water in

balance prevents damage

by holding the pH in a safe

range and preventing calcium

scale formation on spa equipment. A low pH can damage

metal components whereas a high pH can cause high levels

of calcium to form scale. Your dealer should provide a detailed

water chemistry orientation soon after your new spa is filled for the

very first time.

The following three water components must be kept in balance to

avoid damage to the spa. Do balance these components in the

order they are listed here as each will help you balance the next

using a minimum amount of chemicals.

1. Calcium Hardness (CH) – CH is the measure of the amount of

dissolved calcium in the water. Low levels can make the water

corrosive and high levels cause scale formation of spa components.

The recommended CH reading is between 75 - 150 ppm. If the

CH level is too high, lower it with the VANISHING ACT calcium

remover per instructions. Once in balance, the CH reading normally

remains stable until new water is added. Great care must be taken

when filling the spa from a water softener to ensure that the calcium

remains in balance and avoid damage to the spa.

2. Total Alkalinity (TA) - TA is a measure of the water’s ability to resist

changes of pH or buffer capacity. A low TA allows the pH to

fluctuate easily. The recommended TA reading is between 40 - 120

ppm. To raise the TA, use pH/Alkalinity Up (sodium hydrogen

carbonate). To lower the TA, use pH/Alkalinity Down (sodium

bisulfate). Once the TA is balanced, it normally remains stable until

the next drain/refill. We recommend you check the TA reading once

per month. Raising/lowering the TA may cause the pH readings to

fluctuate widely. Ignore the pH readings on the test strip while you

are balancing the TA.

3. pH - The pH is the measure of the acidity and alkalinity. Maintaining

the proper pH level will optimize the effectiveness of the sanitizer,

preventing damage to the spa and physical discomfort for spa users.

A low pH dissipates sanitizer, causes corrosion, and irritates spa

users. A high pH level will neutralize sanitizer, promote scaling and

cloud water. The recommended pH reading is between 7.2 - 7.8.

To lower the pH level, use pH/Alkalinity Down (sodium bisulfate). To

raise the pH level, use pH/Alkalinity Up (sodium carbonate).

Water Conditioners: Spa fill water varies from location to location

and user to user, therefore it is important to consult with your

dealer for an appropriate program.

a. VANISHING ACT – High levels of calcium and some minerals

can be removed from the water with the single use VANISHING

ACT. High calcium levels can cause scale formation on the spa

equipment and shell.

b. CLEAN SCREEN pre-filter –The CLEAN SCREEN pre-flter should

be used at every fill and top-off to remove contaminants from the

fill water, especially iron, copper, and manganese. Many water

sources including well water contain high concentrations of minerals

that can cause staining of the shell and plastics.

c. Stain and Scale control – For water high in calcium and minerals,

it may be necessary to use an anti-scalant like Stain and Scale

control. As water evaporates from your spa and new water is

added, the amount of dissolved minerals like calcium, copper, iron,

and manganese will increase. (Minimize evaporation by keeping the

cover on the spa whenever possible.) High iron or copper content in

the water may produce green or brown stains on the spa.

d. Foam Inhibitors - Soap is introduced into the spa water from users’

bodies and swimming apparel and can cause the spa water to foam

when the jets are used. Low levels of calcium hardness (soft water)

can increase foaming. Although ozone can oxidize soap residual,

it may become necessary to add Foam Inhibitors to suppress the

foam. Excessive soap in the water may require a water change to

resolve.

Oxidizers: Ozone and Monopersulfate (MPS) are oxidizers used to

prevent the buildup of contaminants, maximize sanitizer efficiency,

minimize combined chlorine, and improve water clarity. They are

to be used in conjunction with EPA registered sanitizers. The

high output ozone system uses Corona Discharge technology

to produce a high concentration of ozone which is injected

into the spa water 24 hours per day. Chlorine-Free Oxidizer,

Monopersulfate (MPS) is a granular oxidizing chemical.

Sanitizers: Maintaining the recommended residual level of an EPA

registered sanitizer at all times will decrease the occurrence of

unsafe bacteria and viruses in your spa water. The recommended

Free Available Chlorine (FAC), the amount of available chlorine

sanitizer, is 3.0-5.0 ppm. A low FAC can allow bacteria and

viruses to grow rapidly in the warm water, and a high FAC can

cause discomfort to the user’s eyes, lungs, and skin. Each

sanitizer carries its own instructions regarding how much to use

and when to add it to the spa water. Consult your dealer for their

recommendations and instructions on proper sanitizing of the spa.

Watkins recommends the following sanitizer:

• FROG sanitizing system (mineral and bromine)

Watkins also approves the following sanitizers:

• Sodium Dichloro-s-Triazinetrione (sodium dichlor or chlorine)

• Biguanide

WARNING: DO NOT use tri-chlor chlorine, bromo-chloro-dimethyl-

hydantoin (BCDMH), or any type of compressed bromine or chlorine, acid

or any type of sanitizer which is not recommended by Watkins Wellness.

FROG WATER CARE SYSTEM

The FROG Water Care system is comprised of the following two

products:

THE FROG MINERAL CARTRIDGE. This cartridge introduces minerals

into the spa water, inhibiting bacteria growth.

ALKALINE SPA

WATER

(SCALING

ZONE)

ADD pH

DECREASER

TO LOWER

ADD pH

INCREASER

TO RAISE

ACIDIC SPA

WATER

(CORROSIVE

ZONE)

COMFORT

ZONE IDEAL

Caldera Vacanza-serie 2023 Seite 29

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