Xpress tab 2.5 kg fast dissolving chlorine tablets for spas
Xpress tab 2.5 kg fast dissolving chlorine tablets for spas

Xpress tab 2.5 kg fast dissolving chlorine tablets for spas

Made in Quebec
Regular price
$29.15
Sale price
$29.15
Sale
0% off
Regular price
$29.15

XPRESS TAB chlorination tablets provide a quick and effective disinfection for spa water. Their fast-dissolving formula eliminates bacteria, algae, and organic contaminants, keeping your water clean, clear, and properly balanced.
With built-in stabilizer protection, these tablets help maintain consistent chlorine levels and prevent chlorine loss caused by heat and sunlight.

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SKU: 35607

Availability

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XPRESS TAB chlorination tablets ensure quick and effective disinfection of your spa water. Their fast-dissolving formula destroys bacteria, algae, and organic contaminants while maintaining clear, healthy, and well-balanced water.
Thanks to their integrated stabilizer, these tablets protect chlorine from degradation caused by heat and light, thus extending its effectiveness.

Features

  • Fast and stabilized chlorination
  • Contains 56% available free chlorine
  • Eliminates bacteria, algae, and impurities
  • Suitable for all types of spas
  • Fast-dissolving with no residue
  • Registered household product - complies with the Pest Control Products Act
  • Format: 20g tablets

2.5 kg format

Main Actions: Disinfect
Product Category: Sanitizers
Dissolution: Fast
Forms: Tablets
Application Method: To pour directly into the water
Usage Period: Weekly
Water Balance: Chlorine too low
Safety and Storage: Follow the manufacturer's instructions, Store in a cool, dry place, Keep out of reach of children and animals, Avoid contact with skin, Protect eyes
Chlorine Stabilization: Stabilized
Basin Type: Spa

Precautions

Keep out of reach of children.
Strong oxidizer — may cause fire or explosion if contaminated.
Releases hazardous gas when in contact with water or other products.
Avoid contact with skin, eyes, and clothing.
Wear protective gloves, goggles, and a mask.
Do not mix with other chemicals.
Use only in a well-ventilated area.

First Aid

Skin or eyes: rinse thoroughly with water for at least 15 minutes.

If swallowed: have the person drink a glass of milk or water and contact a doctor immediately.

If inhaled: move the person to fresh air.

Seek medical advice or contact a poison control center if necessary.

Delivery is free for chemicals and small accessories with purchases of $50 or more. A $10 fee applies to orders under $50. We deliver quickly across Canada for this item.

Directions for Use

Test spa water using a test kit and maintain the following parameters:

Free chlorine: 3.0 – 5.0 ppm

pH: 7.2 – 7.8

Total alkalinity: 100 – 120 ppm

Calcium hardness: 150 – 200 ppm

Initial Shock Treatment:
Add 20 g of XPRESS TAB per 1,000 L of water. Keep the circulation running for at least 15 minutes before using the spa.

Daily Maintenance:
Add 10 g of XPRESS TAB per 1,000 L of water daily, or as needed, to maintain the desired residual chlorine level.

If water becomes cloudy, foamy, or develops an odor:
Perform a superchlorination by adding 30 g of XPRESS TAB per 1,000 L of water. Circulate for 30 minutes, then wait 4 hours before using the spa.

Stabilizer Maintenance (Cyanuric Acid):
Keep the stabilizer level between 50 and 100 ppm by diluting with fresh water as needed.

Spa Draining Schedule:
Completely drain and refill the spa regularly. The number of days between complete drainings is calculated as:

Spa volume (litres) ÷ (10 × maximum number of daily users).

Safety Precautions

Keep out of reach of children.

Powerful oxidizer – do not mix with other chemicals.

Produces hazardous gas if mixed with acids.

Avoid contact with skin and eyes.

Harmful if swallowed.

Keep container tightly closed in a cool, dry place.

Rinse container thoroughly before disposal. Do not reuse.

First Aid

Skin or eyes: Rinse thoroughly with water for at least 15 minutes. For eye contact, seek medical attention.

If swallowed: Drink a glass of water or milk and contact a physician immediately.

Refer to the Safety Data Sheet (SDS) for additional information.

Key Characteristics

Disinfection power

High concentration to effectively eliminate bacteria and contaminants for clean and safe water.

Simple and effortless

A concentrated formula that can be used in two simple steps: calculate and pour.

Immediate dissolution

Mixes instantly with water for fast effectiveness.

Peace of mind

A certified product, tested in real conditions, for uncompromising maintenance.

How to use - Xpress Tab

This video guides you step-by-step on how to use XPRESS TAB chlorination tablets simply and effectively. This sanitizing product is designed to ensure fast and effective disinfection of spa water, while maintaining a stable chlorine level for clean and safe water.

How to use the product:

  • Analyze the spa water using a test kit.
  • During the initial treatment, superchlorinate the spa water by adding 20 g of XPRESS TAB per 1000 L of water.
  • Circulate the water for at least 15 minutes before using the spa.
  • For daily maintenance, add 10 g of XPRESS TAB per 1000 L of water or as needed to maintain the desired residual chlorine level.
  • Adjust the frequency and quantity as needed based on spa usage and water analysis results.

The differences between bromine and chlorine

Bromine or chlorine… which one to choose for your spa? Discover which is the most effective depending on the water temperature, desired maintenance and your type of spa.

Learn the advantages, disadvantages, and best practices for keeping water clean, clear, and safe throughout the season.

Compare options

Stabilized Chlorine Tablets Spa Tab 20G
Stabilized Chlorine Tablets Spa Tab 20G
Stabilized chlorine sanitizer in tablet form, designed to keep your spa water clean and safe. Its fast-dissolving formula ensures effective disinfection while correcting low chlorine levels. Easy to use, simply pour directly into the water for immediate action. Ideal for daily use, it works within 30 minutes to eliminate bacteria and contaminants.
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  • Stabilized chlorine sanitizer for effective disinfection
  • Quickly eliminates bacteria and contaminants
  • Rapid dissolution for immediate action
  • Extended action for long-lasting water quality maintenance
  • Neutral pH does not affect water balance
  • Tablet format for simple dosing
  • Available in 1.7 kg or 4 kg formats
Regular price
$29.15
Sale price
$29.15
Regular price
$29.15
Trevi Bromine Tablets Slow Dissolving Bromine Tab for Spas
Trevi Bromine Tablets Slow Dissolving Bromine Tab for Spas
This sanitizer provides safe water disinfection. Practical, it comes in tablet form for easy dosage. It also eliminates organic waste such as perspiration, body oils and cosmetics that tend to cloud water. This tablet's formula is ideal for spas, as it remains effective even in hot water. It is odorless and gentler on bathers' skin and eyes than chlorine. It's a preferred option for people with sensitive skin or allergies.
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  • Bromine sanitizer for safe disinfection
  • Eliminates organic waste (perspiration, oils, cosmetics)
  • Slow dissolution for continuous and stable maintenance
  • Effective even at high temperatures
  • Odorless and gentler than chlorine on skin and eyes
  • Ideal for sensitive or allergic skin
  • Tablet format for simplified dosage
  • Must be used with a floating dispenser
  • 700g, 1.5kg or 3.75kg format

Note: We recommend using this product with an oxidizer (Oxy) for more complete and easier maintenance. Regularly check the bromine level with test strips to ensure clear and disinfected water.

Regular price
$47.38
Sale price
$47.38
Regular price
$47.38

GUIDE

How to choose the right sanitizer for your spa

The right sanitizer is one that suits your frequency of use, sensitivity, and maintenance routine—while being compatible with your spa and accessories. The right choice simplifies balancing, reduces odors, and optimizes costs, for clear water every day. Need help? Consult our sanitizer guide to compare options and choose with confidence.

Read the complete guide

FREE spa maintenance course

A simple, hands-on course to better understand spa maintenance and enjoy a worry-free experience all year long. (Taught in French)

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FAQ


Yes, a spa should always be disinfected with a sanitizer such as chlorine or bromine. The high temperature of a spa (around 37–40°C) promotes rapid bacterial growth, so maintaining a consistent level of disinfection is essential. Chlorine is effective, economical, and acts quickly, but bromine is more stable in warm water. The choice depends on the owner's preference, but a spa should never be operated without a sanitizer.

See our different chlorine options, See our different chlorine options, Découvrir nos différents types de chlore, Discover our range of disinfectants, and Consulter les assainissants


To switch from chlorine to bromine, you must first completely drain the spa, clean the tub, and rinse the filter to remove all traces of chlorine. Once the spa is filled with fresh water, place bromine tablets in the float or designated dispenser. A shock treatment with active oxygen can help quickly establish the bromine level. This changeover must be done carefully to avoid chemical reactions between the two products.


To add chlorine to a spa, first test the water to determine the current level. Then add the recommended dose of granular chlorine directly to the water or chlorine tablets to the dispenser/float provided. It is important to let the pump run for at least 15 to 20 minutes after adding the chlorine to ensure proper dispersion. Wait until the chlorine level drops back into the safe range before using the spa.



Although pool chlorine is chemically similar, it is not recommended for use in a spa. Pool products are often more concentrated and designed for large volumes of water, which can make dosing in a spa much more difficult and risk irritation or over-chlorination. Spa products are formulated for high temperatures and smaller volumes, allowing for more precise and safer control.


The amount of chlorine to add depends on the volume of your spa and the measured chlorine level. Generally, you would add 1 to 2 chlorine tablets or approximately 10 to 20 grams of granular chlorine for a 1,000-liter spa. The goal is to maintain a free chlorine level between 3 and 5 ppm to ensure effective disinfection. It is recommended to always consult the manufacturer's chart and test the water regularly to adjust the dosage as needed.

See our different chlorine options, See our different chlorine options, Découvrir nos différents types de chlore, Discover our range of disinfectants, and Consulter les assainissants


Purpose: to oxidize residues (sweat, oils, cosmetics), remove chloramines/bromamines and clarify water.

  • Chlorine Shock (Chlorine): Powerful, disinfects and oxidizes. Ideal for a chlorine program.
  • Oxidizer Shock (Chlorine-Free)**: Oxidizes without adding chlorine; activates bromine. Ideal for a bromine program and after heavy swimming.


Chlorine comes in tablets or granules.

- Lozenges: preferably placed in a floating dispenser (or directly in the water if the manufacturer allows it). Allow approximately 1 lozenge per day, and less if you accompany your routine with a shock treatment. For slow-dissolving lozenges, plan on 3 to 5 lozenges per week in a floater, and less with a shock treatment.

- Granules: add once a day, unless accompanied by a shock treatment, which helps the chlorine level to be maintained for longer.

These amounts are averages: actual use of your spa may vary requirements, but they give a good idea to start with.

See our different chlorine options, See our different chlorine options, Découvrir nos différents types de chlore, Discover our range of disinfectants, and Consulter les assainissants


It is not recommended to mix chlorine and bromine in a spa because these sanitizers react chemically when combined. This can create unstable water, sudden fluctuations in sanitation levels, and even reduce the effectiveness of both products.

If you want to switch from chlorine to bromine (or the opposite), you must fully drain the spa, clean the shell, and rinse the filters to remove all traces of the previous sanitizer. Once the spa is refilled with fresh water, you can start your new maintenance routine. Mixing chlorine and bromine in the same spa is never recommended.


Both chlorine and bromine disinfect spa water very well.

  • Chlorine: cheaper, acts quickly, but stronger odor and less stable in hot water.
  • Bromine: more stable in hot water, less odorous and more comfortable for the skin, but a little more expensive.

See our different chlorine options, See our different chlorine options, Découvrir nos différents types de chlore, Discover our range of disinfectants, and Consulter les assainissants


Add your sanitizer according to the type you use, then test the water. Aim for 3 to 5 ppm, whether you’re using chlorine or bromine.

  • Granular chlorine: add a small dose directly into the water with the jets running, wait 10–15 minutes, then test again.
  • Chlorine or bromine tablets: place them in a floater and adjust the opening to control how quickly they dissolve.

If the sanitizer level stays low even after adding product, perform a shock treatment—chlorine shock for a chlorine spa, or a non-chlorine oxidizing shock for a bromine spa.

See our different chlorine options, See our different chlorine options, Découvrir nos différents types de chlore, Discover our range of disinfectants, and Consulter les assainissants


Chlorine is considered too high in a spa when the level goes above about 5 ppm. At this point, the water becomes less comfortable—stronger odor, eye irritation, and dry or itchy skin. If the chlorine level reaches 8 to 10 ppm, it’s best to avoid using the spa until the level drops.

To lower high chlorine, simply leave the spa uncovered so the chlorine can naturally dissipate. Wait a few hours, then test the water again to confirm that the level has returned to a safe range.

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