Zodiac Nature2 Express User manual

Owner’s Manual
EQUIPMENT UNDER PRESSURE
• Always turn spa off prior to installing or changing Nature2Spa.
Your spa system is operated under pressure and the pressure
must be released before you begin work. Please see your spa
owner’s manual for further instructions.
PREVENT CHILD DROWNING
• Do not let anyone, especially small children, sit, step, lean or climb
on any equipment installed as part of your spa’s operational system.
LOW CHLORINE RECIPE
• You must strictly follow the Nature2Spa recipe included in this
manual to maintain proper water chemistry and avoid health
hazards. Failure to follow these instructions can lead to sickness
from bacteria and other noxious organisms.
ATTENTION
Failure to heed the following can result in
permanent injury or drowning.
!
PRECAUTIONARY STATEMENT
HAZARDS TO HUMANS AND ANIMALS
CAUTION:
In the unlikely event that a cartridge breaks, mineral media should not
be ingested by humans or animals as it may cause gastric distress.
FIRST AID IF INGESTED: Call poison control center or doctor
immediately for treatment advice.
CAUTION
!
IMPORTANT: Spa Owner, save this manual.
Installer, leave this manual with the spa owner.
The Nature2Spa is designed only for residential spas.
Safety Instructions
Important Information
Nature22
The Natural Spa Purifier (hereafter referred to as Nature Spa)
Please read prior to installation.
Nature
2
The Natural
Spa Purifier
Natural Mineral Purifiers
for Pools and Spas
has been designed to sanitize spas up to 2000 litres.

2
Thank you for purchasing Nature2Spa. Please take a few
moments to review the material in this manual. We believe
the more you know, the more enjoyable your bathing
experience will be and the more you will reduce the time,
effort and cost of maintaining your spa. While every spa has
its own characteristics of water type, amount of sunlight, etc.
the recipe included in this manual will help ensure good
water quality in any spa. If you have questions, your Nature2
Spa dealer can provide professional advice and service.
Directions for Use
NOT TO BE USED FOR ANY PURPOSE, OR IN ANY MANNER,
CONTRARY TO THIS LABEL UNLESS AUTHORISED UNDER
APPROPRIATE LEGISLATION.
Nature2Spa Compatibility
Attention: Not to be used with product containing biguanides.
If these products are being used, be sure to drain and refill the
spa with fresh water.
Contents Page
Safety Instructions ................................................................1
Start-Up ................................................................................3
Balance the Water ................................................................3
Install the Nature2Spa ........................................................4
Recipe ..................................................................................6
Provide Filtration/Circulation ................................................8
Nature2Spa Replacement Intervals ....................................8
Disposal ................................................................................8
Limited Warranty ..................................................................9
Troubleshooting ..................................................................10
Nature2Spa Test Strips ......................................................12

3
Start-Up
Before using a new Nature2Spa, clean debris and algae out
of the spa and spa equipment.
Important: Do not install the new Nature2Spa until the __
spa water is clean and chemically balanced.___________
Balance spa water before installing Nature2Spa.
•6
.
7
-2
.
7H
p
• Calcium Hardness 200-400 ppm
• Total Alkalinity 80-120 ppm
• Total Dissolved Solids (TDS) 300-2000 ppm
Consult your Nature2dealer for water balance instructions.
Balance the Water
To find out if your spa water is balanced:
• take a water sample to your dealer to be tested, or
• ask your dealer to recommend a spa test kit for
water balance.
Element: pH Range: 7.2-7.6
If too low: The surface of your spa can become etched.
Metal parts in the pump and plumbing will corrode.
How to fix: Add pH increaser.
If too high: “Scale” forms on the surface of your spa. The water
can become cloudy. Equipment can be damaged.
How to fix: Add pH decreaser.
Element: Calcium Hardness Range: 200-400 ppm
If too high: Rough, discolored deposits (“scale”) will form on the
spa surface and inside spa equipment.
How to fix: Drain or dilute the spa water. Consult your dealer.
How to fix: Add calcium chloride and hardness increase.
Element: Total Alkalinity Range: 80-120 ppm
If too low: It pro
If too low: Metal parts in the pump and plumbing will corode.
vides no buffer so that you constantly get
fluctuating pH readings,which can damage
equipment and spa surfaces.
How to fix: Use an alkalinity increaser.
If too high: The water becomes cloudy or milky white.
How to fix: Add acid to bring alkalinity down.

4
Install the Nature2Spa
The Nature2Spa is designed to fit most spas.
Zodiac assumes no liabilities for the product if installed in
any way other than the methods described in this manual.
1 Drain and refill your spa. Balance the water per spa
manufacturer guidelines.
2 Install the Nature2Spa after water is balanced. Refer to
Assembly and Installation Diagrams below for instructions
regarding your particular model’s installation.
3 Superoxidize the spa water with an approved source
of chlorine according to manufacturer's instructions to
burn off contaminants and activate cartridge. Important:
Initial superoxidation with dichlor*
*
is required to burn
off contaminants and activate cartridge.
• Add 1.5 tablespoons of dichlor to spa per 1000 litres.
Note: 1.5 tablespoons is approximately 24 grams.
• Do not enter the spa if the free available chlorine
residual is over 5 ppm.
4 Run spa according to recommendations supplied to you
by the manufacturer of your spa.
Assembly and Installation Diagrams
The Nature2Spa comes in three parts; the main body (A)
and two support stems (B, and C).
1 Connect the support stems together and press onto main
body to create a single device as shown.
AB
C
A
B
C

2. Slide the entire device into the core of your existing spa
filter cartridge. See examples below.
Open Top: Slide unit in from the top. Position near the top
half of the cartridge. (Support stems may be cut to
position the cartridge correctly.)
Open Top with Stand Pipe: Some spa filter systems are
configured with a standpipe running the length of the filter
core. Simply slide unit in from the top. Position near the
top half of the cartridge for easy retrieval.
Closed Top: Slide unit in from the bottom. Position unit to
rest on shelf inside filter core.
5
Closed
Top
Open Top
with Stand Pipe
Open Top
correct
Open Top
wrong
When installed, the Nature2Spa must be at least 2.5 cm
above the bottom of the filter to prevent blocking water flow.

6
When: What to do:
Every day Run spa according to recommendations supplied to you by
the manufacturer of your spa.
Before Test the water with Nature2Spa Test Strip (or equivalent).
each use If the MPS^level is low, add 1 tablespoon of MPS^to spa
per 1000 litres. Note: 1 tablespoon is approximately
16 grams.
Use the Nature2Spa Test Strip (or equivalent) to test the
spa water after each addition of MPS^.
If the test strip indicates levels below the OK range, add
1 tablespoon MPS^to spa per 1000 litres and re-test.
Enter spa only after test strip indicates a sufficient level
of MPS^.
After Add 1 tablespoon of MPS^to spa per 1000 litres.
each use
Once Adjust the pH, total alkalinity, and hardness as needed.
per week A convenient way to test pH and total alkalinity is the
Nature2Spa Test Strip.
Every 4 Drain and refill your spa. Replace Nature2Spa and
months repeat sanitizer start-up.
Operation and Maintenance
There is one recipe for maintaining clean, clear, sanitized water
with minimum time and effort. This recipe provides the easiest
and most economical way to care for your Nature2Spa.
Low-Chlorine Recipe
Ingredients:
• Nature2Spa
• Non-chlorine oxidizer (MPS
^)
• Nature2Spa Test Strips~, or equivalent
(MPS^, pH, and total alkalinity)
•
pH, hardness and total alkalinity adjusting chemicals
Dichlor*
•

When: What to do:
As needed Shock treat with 1.5 tablespoons of an approved source of
dichlor*per 1000 litres to remedy problems which may
occur when bathing loads are high, when successive MPS
^
test strip reading indicate high demand, when water appears
hazy or dull, when unpleasant odors or eye irritation occur,
after heavy wind and rainstorms or if foam develops.
*Sodium dichloroisocyanurate dihydrate
^Potassium monopersulphate
** MPS may cause a lowering of the pH and total alkalinity of your spa water.
Please monitor pH and total alkalinity at least once per week and adjust accordingly.
~Nature
The use of silver test strips is also recommended please consult your local
pool professional.
2Spa Test Strips are available at your local Zodiac Nature2Dealer.
Note: As an alternative to MPS^, an approved source of
dichlor*may be substituted: 1 tablespoon dichlor*=
approximately 3 tablespoons MPS^.
Important: Perform start-up procedures for spas which
have been unused or unattended.The Nature2Spa is not
to be used with copper based algaecides or biguanides.
If these products are being used, DRAIN AND REFILL
SPA WITH FRESH WATER.
Provide Filtration / Circulation
To manage: You need to:
Circulation Follow the manufacturer’s directions for
keeping the circulating pump in good working
order and operate it at least four hours a day.
Consult your Nature2Spa dealer for optimum
run times.
Filtration Check the spa filter periodically and clean it
as recommended by the manufacturer.
7

8
Spa Replacement Intervals
Use the month indicator decal to identify the date on which
the cartridge should be replaced.
Always turn spa off prior to installing or changing Nature2
Spa. Your spa is operated under pressure and the pressure
must be released before you begin work. Please see your
spa owner’s manual for further instructions.
A cartridge lasts four (4) months. The cartridge should not be
used longer than four (4) months.
Disposal
After four months of use, discard Nature2Spa in household
trash. Do not save the cartridge for re-use. The cartridge is
manufactured with the mineral media sealed inside. In the
unlikely event a cartridge breaks, remove it and vacuum out
any media introduced into the spa.

9
Nature2Spa Warranty
We do not exclude or limit the application of any provision of any statute
(including the Trade Practices Act 1974) where to do so would
contravene that statute or cause any part of this clause to be void.
We exclude:
• all conditions, warranties and terms implied by statute, general law
or custom, except any implied condition or warranty the exclusion
of which would contravene any statute or cause this clause to be
void;
• all liability for consequential or indirect damages arising out of or in
connection with Nature2Spa even if we knew they were possible or
they were otherwise foreseeable, including without limitation lost
profits and damage suffered as a result of claims by any third party;
and
• all liability in negligence for our acts or omissions, or the acts or
omissions of our employees, agents and contractors arising out of
or in connection with Nature2Spa.
Our liability for breach of any warranty (except where the limitation of a
warranty is prohibited by law) is limited at our option to the replacement
of the goods or the supply of equivalent goods, the repair of the goods,
the payment of the cost of replacing the goods or of acquiring
equivalent goods or the payment of the cost of having the goods
repaired.
ADDITIONAL WARRANTY
Nature2Spa is warranted to be free of defects in materials at the time of
purchase. Subject to the exclusions set out below. Nature2Spa is also
warranted to perform satisfactorily for a period of four months from the
date of purchase and not to cause staining in your spa. This additional
warranty does not cover discoloration to chromium fittings and does not
cover cartridges used with any biguanide products such as
BaquaSpa^^, Baquacil^^. If the cartridge is defective and does not
perform satisfactorily for the entire four months, we will replace the
cartridge.
EXCLUSIONS FROM THE ADDITIONAL WARRANTY
Nature2Spa is designed for use in residential portable spas up to
2000 litres. If it is used in any other application, the additional warranty
is void, and the purchaser and/or spa owner releases the manufacturer
from any and all claims related to the use of the Nature2Spa. The
warranty is also void if you fail to exercise reasonable care in
maintaining your spa or fail to keep water in balance at all times.
TO SUBMIT A CLAIM
Report claims to Zodiac Group Australia, by calling 1800 688 552.
Only the original purchaser may submit a claim under this warranty.
Claims must be accompanied by an original purchase receipt.
^^ Trademark of Arch Chemicals, Inc.

Troubleshooting
10
Problem What to look for
Cloudy water Spa Slow filter turnover rates
filtration
Algae Hazy spa water; may have slightly
growth green appearance.
Unbalanced 1. High hardness
water 2. High TDS (total dissolved solids)
3. High pH
4. High total alkalinity
Algae Green or Pea green to white colour; attaches
white algae to spa walls, sometimes colours the
entire body of water.
Note: Do not use algae treatments containing copper.
Stains Blue/green Copper or iron from spa equipment
corrosion or water supply
Red/brown Iron or manganese from equipment
corrosion or water supply.
Black Manganese in water supply.
Metal High native mineral content in
tarnishing water; unbalanced water
Scale Crusty High pH and high total alkalinity
deposits
on spa High TDS (total dissolved solids)
surfaces or high hardness
Algae may be
caused by
insufficient levels
of oxidizer and/or
inadequate water
circulation.
Frequently
caused by
improper start
up. See section
on Start Up and
Install the
Cartridge.

11
Treatment
1 Backwash and clean filter.
2 Run filter for 24 hours.
3 Increase run time per day.
Superchlorinate water with an approved source of dichlor*
according to manufacturer’s instructions.
Balance the spa water.
1 Check pH and adjust if necessary
2 Superchlorinate water with an approved source of
according to manufacturer’s instructions.
3 Repeat steps 1 and 2 until algae is gone.
1 Adjust pH and total alkalinity to ideal ranges.
2 Vigorously brush stained areas.
3 Add sequestrant.
4 Run filter.
5 Twelve hours later, superchlorinate the spa.
6 Test and balance water.
7 Test spa water for dissolved metals.
Clean with soft cloth and mild detergent.
Test water for minerals; use a sequestrant;
maintain water balance.
Adjust pH and total alkalinity to ideal ranges.
1 Replace a volume of spa water with water low in hardness
and dissolved solids.
2 Use sequestrant to prevent scale buildup if high hardness
is a continuing problem.
3 If remedial action has been taken, and problem still persists,
drain and refill spa.
Troubleshooting (cont.)
dichlor*

Fluidra Group Australia PTY LTD
219 Woodpark Road, Smithfield,
NSW 2164
Tel: [phone]
Fax: [phone]
www.zodiac.com.au
Just dip and swirl the Test Strip.
See accurate and reliable
results on the levels of MPS^,
Alkalinity and pH in your
spa's water.
Now available at your local
Zodiac Nature2
Nature2Spa Test Strips
Nature2is a registered trademark
of Zodiac Pool & Marine
© 2007 Zodiac Pool Care, Inc.
All rights reserved.
TL-2700 6/07
Dealer