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in the “Maintaining your WaterWell” instructions a few pages

later in this manual.

loating Thermal Cover

Endless Pools, Inc. provides a lightweight cover for the

WaterWell, if a retractable security cover has not been pur-

chased. This cover floats on the water surface, insulating the pool

while preventing evaporation. Consistent use of this cover will

eep the water cleaner, save energy, and help control humidity.

The cover should be completely removed from the water before

the machine is used. With standard width Endless Pools (7'

inside dimension) the cover is shipped in a box with clips along

with a 1-1/4” PVC pipe. Replacement covers are available from

our Customer Service Department. The cover, once cut to size

and installed on the PVC pipe, rolls out onto the water surface.

4. Balancing the Pool Water

The following steps need to be followed when the pool is first

filled, as well as anytime the pool is partially drained and refilled.

They will walk you through testing and adjusting the factors

affecting the “balance” of the water i.e., the water’s total alkalin-

ity, pH and calcium hardness levels.

The level of chlorine inside the pool, as long as it is not above

5ppm, will not significantly affect the following tests and proce-

dures used to balance the pool water. Therefore, if there is no

chlorine in the pool at this time, add some. Add 1-2 cups of liq-

uid bleach (any brand is fine as long as it does not have an added

scent to it) to an indoor pool. If you have an outdoor pool, add

the appropriate amount of granules out of the bag of “stabilized”

chlorine. Test for chlorine in a day or two and add more if neces-

sary.

1) Balance Total Alkalinity (TA)

Ideal reading: 100ppm

Acceptable range: 80-120ppm

Raise with: Sodium Bicarbonate (TA increaser)

Lower with: Sodium Bisulfate (pH decreaser)

Method of chemical application:

• Adjusting the level of TA in the pool requires that the

chemical be “slugged” i.e. pour chemical in four

different spots around the pool with the water calm. Let

the water remain calm until the next filtration cycle.

• Retest TA and adjust again if necessary.

• Add less chemical than you think is necessary to effect

the desired change. Keep track of how much chemical

it took to make that change.

Notes:

Many regions of the country and world will have water with a TA

higher than our recommended range. In a lot of cases, it will be

desirable to leave the TA alone as any adjustment to it will also

tend to affect the pH. The TA is mainly serving as a buffer for the

pH. If it is above 120ppm, but lower than 200-250ppm, leave the

level alone. It will simply over-stabilize the pH, which is not a

problem, especially if the pH is within range or close to being

within range.

If the TA is lower than our recommended range, though, we

would recommend increasing it to at least 80ppm. Once again,

the TA serves mainly as a buffer for the pH and if the TA is too

low, the pH level in the pool can change very rapidly causing

bather discomfort and damage to the pool and pool equipment.

Once the TA is within a tolerable range, move on to adjusting

the pH in the pool. You should find that the TA will be slow to

change—for this reason, test for it once a week as detailed in the

“Maintenance and Use of your WaterWell” instructions found

later in this guide.

2) Balance pH

Ideal reading: 7.5

Acceptable range: 7.4-7.8

aise with: sodium carbonate (pH increaser)

Lower with: sodium bisulfate (pH decreaser)

Method of chemical application:

• Measure out and pour your dosage of chemical directly

into the pool. Test and apply more chemical as neces-

sary.

Notes:

It is very important to keep the pH within range. If the level is

too low, severe damage can occur to the pool liner and the sub-

merged hydraulic motor, and the pool equipment. If the level is

too high, damage can occur to the liner, and it can make the

water prone to “scaling,” when minerals and metals dissolved in

the water will be dropped out of solution and on to the benches

and liner. Having the pH too high or too low may cause bather

discomfort in the form of eye or skin irritation.

The pH will change slowly over the course of a week or two.

The number of bathers and the type of chlorine used are just two

factors that will cause the pH to change. For this reason, pH

should be tested three times a week and adjusted as needed. See

the “Maintenance and Use of your WaterWell” instructions

found later in this guide for further details.

Once the pH is within range, move on to adjusting the calcium

hardness.

3) Balance Calcium Hardness (CH)

Ideal reading: 180ppm

Acceptable range: 175-250ppm

Raise with: calcium chloride (calcium hardness increaser)

Lower with: water containing less calcium (softened water)

Method of chemical application:

• Fill a clean, five gallon bucket with pool water and dissolve

the dosage of calcium into this water. Do not mix this

solution with your hands. Pour the solution in to the swim

current, and let the current circulate the water in the pool

for a few minutes. Wait a few hours, test again, and add

more calcium if necessary. Once again, always add less

chemical than you think will be necessary to effect the

desired change.

Notes:

As with TA, many regions will have higher CH than what is spec-

ified by our recommended range. If it is available, partially filling

the pool with softened water will dilute the calcium content and

essentially lower the CH level inside the pool. If softened water

is unavailable, perhaps water tanked-in from an outside source

would be the best option for you. If this not possible either, we

would strongly suggest adding the “sequestering agent” sent with

the pool.

This chemical helps the water hold all of its dissolved materials in

solution, including metals and calcium content. The main concern

with having CH levels too high is that the calcium may deposit

out of solution—a sequestering agent will help prevent this.

Calcium hardness will tend to slowly increase over time as water

evaporates from the pool and leaves its calcium behind. Periodic

testing of CH is detailed in the “Maintenance and Use of your

WaterWell” instructions below.

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