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13
CLEANING THE INFLATABLE SPA LINER
The liner should be cleaned with a mild soap solution.
Do not use solvents. The liner should always be clean
and dry before being moved or stored.
CHECKING AND CLEANING THE FILTER
The filter should be checked periodically for build-up
of dirt and oil. If the filter needs to be cleaned, follow
the steps below:
1. Turn off the power.
2. Remove the two screws and cover from the
spa jet. Then pull the filter out of the unit.
3. Check the filter for any dirt or debris. If the fil-
ter needs to be cleaned, rinse the filter with a
hose. If the filter still is dirty, you will need to
soak it in a cleaning solution which can be
obtained from a pool and spa supply store.
4. Inspect the filter for damage. Replace the fil-
ter if there are any signs of damage.
5. Re-insert the cleaned filter and re-attach the
two screws and cover to the spa jet unit.
MAINTAINING THE SPA COVER
The spa cover should be cleaned monthly. Remove
the inflatable cover from the spa cover, then hang the
spa cover over a clothes line and spray it with a hose.
Leave the cover on the clothes line until it is fully dry.
WINTER USE AND CARE
The RENEW 900 is designed for year-round use. If
you decide to store the RENEW 900 for the winter,
store it in a warm, dry location. (See DRAINING THE
RENEW 900 and DRAINING THE PUMP on page 12.)
WATER CHEMISTRY
The RENEW 900 comes with a starter chemical pack
for maintaining the water in the spa. (See TESTING
AND TREATING THE WATER on page 10.) Additional
chemicals can be purchased at a pool and spa supply
store.
CAUTION: The chemicals used to maintain the pH
balance of the water and to sanitize the water can
be dangerous. Always follow these basic guide-
lines when handling the chemicals:
1. Always read and follow the directions on
the label, unless directed otherwise.
2. Never mix different chemicals.
3. Do not exceed the recommended
amounts—follow the directions on the
label closely.
4. Keep all chemicals out of the reach of chil-
dren and pets.
5. Keep all containers closed tightly when
not in use.
6. Never add water to the chemicals—always
add the chemicals to the water as directed.
7. Always store chemicals in a cool, dry place.
8. Always keep chemicals away from chil-
dren and pets.
MAINTAINING THE PROPER PH BALANCE
The pH factor is a measure of relative acidity or alka-
linity in the water. It is measured on a scale of 1 to 14.
Pure water has a value of 7, which is neutral. Any
value above 7 is alkaline, and any value below 7 is
acidic. You should maintain a slightly alkaline pH
level, between 7.2 and 7.8, in the RENEW 900.
Severe problems can occur when the pH balance is
not maintained within this range. If the pH level
exceeds 7.8, dissolved minerals can build-up and clog
the plumbing in the spa jet unit. If the pH level falls
below 7.2, the acid level in the water will begin to cor-
rode the metal parts in the spa jet unit. Also, the sani-
tation agents in the water will not be effective if the pH
level is not properly maintained. Damage caused by
improper pH levels is not covered under the warranty.
To maintain the proper pH level, you should test the
pH of the water regularly. To test the water you can
either purchase additional test strips or purchase a pH
test kit at a pool and spa supply store. The pH read-
ing should be between 7.2 and 7.8. If the level is too
low, add a pH increaser (usually soda ash). If the
level is too high, add a pH reducer (usually sodium
bisulfate). Test the water again after five minutes. See
the instructions with your test strips or pH test kit for
additional information about testing and adjusting the
pH.
SANITIZING THE RENEW 900
Please refer to your local pool and spa supplier for
information concerning which chemicals you should
use in your area to sanitize the spa.
The most common sanitizing agent is a solid bromine
concentrate. The amount required varies according to
several factors, such as user load, temperature, water
conditions, and so forth.
Proper water maintenance is a fairly complex process.
We recommend that you contact your local pool and
spa supplier for information on how you should best
accomplish this.
MAINTENANCE