Stabilized granular chlorine for spas - Bioguard
Stabilized granular chlorine for spas - Bioguard

Stabilized granular chlorine for spas - Bioguard

Regular price
$83.99
Sale price
$83.99
Sale
0% off
Regular price
$83.99

SpaGuard’s Stabilized Chlorinating Concentrate is a fast-acting, easy-to-use sanitizer designed specifically for spas and hot tubs. Its stabilized formula helps maintain a consistent chlorine level even in hot water, ensuring effective elimination of bacteria, organic contaminants, and impurities. This granular chlorine dissolves quickly, making it ideal for routine maintenance and keeping your spa water clean, clear, and safe. A perfect choice for spa owners looking for a reliable and efficient sanitizer for day-to-day use.

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SKU: 18969

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SpaGuard’s Stabilized Chlorinating Concentrate is a fast-acting, easy-to-use sanitizer designed specifically for spas and hot tubs. Its stabilized formula helps maintain a consistent chlorine level even in hot water, ensuring effective elimination of bacteria, organic contaminants, and impurities. This granular chlorine dissolves quickly, making it ideal for routine maintenance and keeping your spa water clean, clear, and safe. A perfect choice for spa owners looking for a reliable and efficient sanitizer for day-to-day use.

Features

  • Fast-dissolving, quick sanitizing action

  • Stabilized formula for longer-lasting performance

  • Effectively destroys bacteria and organic residues

  • Helps maintain crystal-clear, hygienic water

  • Suitable for daily or weekly spa maintenance

2 kg format

Main Actions: Disinfect
Product Category: Sanitizers
Dissolution: Fast
Forms: Granules
Application Method: To pour directly into the water
Usage Period: Daily
Water Balance: Chlorine too low
Safety and Storage: Follow the manufacturer's instructions, Add granules to water, never the reverse, Store in a cool, dry place, Avoid contact with skin, Keep out of reach of children and animals, Protect eyes
Chlorine Stabilization: Stabilized
Treatment Time: 1 to 2 h
Basin Type: Spa

PRECAUTIONS:

Do not mix with other chemicals. Avoid contact with eyes. Keep out of reach of children.

FIRST AID:

If swallowed: Call a poison control center or doctor immediately. Do not induce vomiting.

If in eyes: Rinse with water.

If on skin: Rinse thoroughly with water. Get medical advice if symptoms persist.

WASTE DISPOSAL:

Rinse empty containers with cold water and recycle the packaging where a recycling program exists. Any unused or unwanted product should be taken to an authorized waste treatment facility for disposal.

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.

Maintenance Tip

For optimal results, test your spa water regularly and maintain a chlorine level between 3–5 ppm. Add the granular chlorine with the jets running and allow it to circulate for 10–15 minutes before retesting. After heavy spa usage, perform a shock treatment to restore sanitizer efficiency and keep your water fresh, clear, and perfectly balanced.

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.

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 granular chlorine for spas - Bioguard
Stabilized granular chlorine for spas - Bioguard
SpaGuard’s Stabilized Chlorinating Concentrate is a fast-acting, easy-to-use sanitizer designed specifically for spas and hot tubs. Its stabilized formula helps maintain a consistent chlorine level even in hot water, ensuring effective elimination of bacteria, organic contaminants, and impurities. This granular chlorine dissolves quickly, making it ideal for routine maintenance and keeping your spa water clean, clear, and safe. A perfect choice for spa owners looking for a reliable and efficient sanitizer for day-to-day use.
Read more Read less
  • Fast acting and immediate dissolution
  • Stabilized formula for prolonged performance
  • Effective disinfection against bacteria and organic residues
  • Helps maintain clear and hygienic water
  • Ideal for daily or weekly maintenance
Regular price
$83.99
Sale price
$83.99
Regular price
$83.99
Trévi Dichlor Fast Dissolving Granular Chlorine for Spas
Trévi Dichlor Fast Dissolving Granular Chlorine for Spas
Stabilized chlorine-based sanitizer that effectively disinfects water and destroys bacteria, while offering prolonged action. Its neutral pH will not affect balancing parameters.
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  • Stabilized chlorine sanitizer for spas
  • Effectively eliminates bacteria and contaminants
  • Rapid dissolution for immediate action
  • Long-lasting action for extended maintenance
  • Neutral pH does not affect water balance
  • Ideal for daily or as-needed use
  • Simple application directly into water
  • 900 g format
Regular price
$32.99
Sale price
$32.99
Regular price
$32.99
Xpress chlor chlorine granules 2.8 kg for spa
Xpress chlor chlorine granules 2.8 kg for spa
XPRESS CHLOR is a powerful sanitizer designed to destroy bacteria and algae in spa water. Its fast-dissolving formula keeps the water clear, clean, and safe, while the built-in stabilizer protects chlorine from being degraded by UV rays. Ideal for regular use, this product ensures effective and consistent disinfection for a healthy spa environment.
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  • Function: disinfects and eliminates bacteria, algae, and impurities.
  • Fast-acting: instant-dissolving granules for uniform chlorination.
  • Stabilized: contains a protective agent (cyanuric acid) that extends chlorine effectiveness.
  • For daily use or shock treatment.
  • Compatible with all types of spas.
  • 2.8 kg format
Regular price
$39.99
Sale price
$39.99
Regular price
$44.99

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

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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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