Antiphosphates for spas - Phos control
Antiphosphates for spas - Phos control
Antiphosphates for spas - Phos control
Antiphosphates for spas - Phos control

Antiphosphates for spas - Phos control

Regular price
$23.99
Sale price
$23.99
Sale
0% off
Regular price
$23.99

This treatment, used for severe problems or on a weekly basis, will help eliminate phosphates from the water. Phosphates feed algae and cause them to grow. They can be introduced into the water by rain, fertilizers, sunscreen, and other unexpected sources. This treatment is not affected by sanitizers and is effective in all pH conditions without changing the pH level.

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SKU: 35726
Format: 500 ml (New look)

Availability

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Effectively eliminate phosphates, responsible for algae proliferation, with this specialized spa treatment. Used for regular maintenance or in cases of severe issues, it acts without disturbing the pH and helps maintain clear, healthy, and balanced water.

Features

  • Eliminates phosphates responsible for algae growth
  • Effective for weekly or intensive treatment
  • Works in all pH conditions without altering it
  • Not affected by sanitizers
  • Helps maintain clear and balanced water
  • Compatible with complementary treatments

500ml size

Main Actions: Remove phosphates
Product Category: Specialized Products
Forms: Liquid
Application Method: To pour directly into the water
Safety and Storage: Add granules to water, never the reverse, Follow the manufacturer's instructions, Store away from cold, Store away from heat, Store in a cool, dry place, Use appropriate protective equipment, Avoid contact with skin
Treatment Time: 12 h
Basin Type: Spa

PRECAUTIONS:

MAY IRRITATE EYES. Avoid contact with eyes. Do not breathe fumes. Do not swallow. Keep out of reach of children. Do not mix with other chemicals. Handle with care.

FIRST AID:

Contains lanthanum chloride. If swallowed: Immediately call a poison control center or doctor. Do not induce vomiting. If in eyes: Rinse with water for 15 minutes. If on skin: Rinse thoroughly with water.

WASTE DISPOSAL:

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

Treatment may cloud the water. This phenomenon is normal and will disappear with filtration. A clarifier used in conjunction with this product can improve treatment and accelerate results.
1. Rinse the cartridge.
2. Use 15 mL (three capfuls) per 1,000 L of water to reduce phosphate levels by 1,000 ppb (e.g., if a 1,500 L spa has a phosphate level of 1,000 ppb, use 23 mL (five capfuls) to treat).
3. Disperse the product around the spa, on the water surface.
4. Filter continuously for 24 hours.
5. Rinse the spa cartridge regularly.
6. After 48 hours, check phosphate levels and repeat treatment if necessary.

Key Characteristics

Important role

Removes phosphates that promote algae growth

2536

Safe

Safe to use and designed with respect for the environment.

Peace of mind

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

Simple and effortless

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

How to use - Phos control

This video guides you step-by-step on how to use Phos Control for spas simply and effectively. This product is designed to reduce phosphate levels in spa water, contributing to more stable water, easier maintenance, and improved treatment efficiency.

How to use the product:

  • Rinse the spa filter cartridge before treatment.
  • Add 15 mL of Phos Control per 1000 L of spa water to reduce the phosphate level by 1000 ppb. For example, for a 1500 L spa with a phosphate level of 1000 ppb, add 23 mL of the product.
  • Disperse the product all around the spa, directly on the surface of the water.
  • Maintain continuous filtration for 24 hours.
  • Rinse the spa cartridge regularly during treatment.
  • After 48 hours, check the phosphate level and repeat the treatment if necessary.

How to Properly Maintain Your Spa?

Enjoy clean, inviting water at all times with our simple and effective maintenance tips! In this video, we show you how to keep your spa in perfect condition: filter cleaning, water balance, sanitation, draining, and shell care—everything you need to know to extend the life of your spa and avoid common issues.

Compare options

Anti-foam for spa 1L
Anti-foam for spa 1L
Personal care products, oils, soaps, and organic residue can cause unpleasant foam buildup—ANTI-FOAM works instantly to dissipate it and restore water clarity.Versatile, this product can also be used in fountains, swimming pools, hot tubs, and therapy pools, where it prevents persistent foaming.
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  • Eliminates and prevents foam formation
  • Fast acting: visible results in seconds
  • Effective against body and organic product residues
  • Versatile: compatible with spas, swimming pools, fountains, and ponds
  • Easy to use, acts immediately after application
  • Ideal for regular maintenance or as needed
  • 1 L format
Regular price
$22.99
Sale price
$22.99
Regular price
$22.99
Antiphosphates for spas - Phos control
Antiphosphates for spas - Phos control
This treatment, used for severe problems or on a weekly basis, will help eliminate phosphates from the water. Phosphates feed algae and cause them to grow. They can be introduced into the water by rain, fertilizers, sunscreen, and other unexpected sources. This treatment is not affected by sanitizers and is effective in all pH conditions without changing the pH level.
Read more Read less
  • Removes phosphates responsible for algae growth
  • Effective as a weekly or intensive treatment
  • Works in all pH conditions without altering them
  • Not affected by sanitizers
  • Helps maintain clear and balanced water
  • Compatible with complementary treatments
  • 500 ml format
Regular price
$23.99
Sale price
$23.99
Regular price
$23.99

GUIDE

Spa maintenance guide

Discover our ultimate guide to maintaining your Trévi spa: all the essentials gathered to support you day to day, season after season. A simple, practical tool to help you do the right things, extend your spa’s lifespan, and enjoy consistently pleasant water—no matter the model.

Read the complete guide

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FAQ



To soften spa water, you can use a water softener specifically designed for spas, or add a sequestering agent to reduce the effects of calcium and minerals. Water that is too hard can cause limescale buildup, shorten the lifespan of equipment, and make the water less pleasant for the skin.

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Discolored spa water (brown, green, yellow, or orange) is often caused by the presence of metals such as iron, copper, or manganese. When you add chlorine or bromine, these metals oxidize and change the water's color.

To correct the situation, a metal sequestrant is used, a product that neutralizes and stabilizes metals to prevent discoloration. It is also recommended to clean or replace the filter after treatment, as it will retain some of the impurities.

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Phosphates are nutrients found in water, often introduced through lotions, shampoos, organic debris, or even the fill water itself. In a spa, high phosphate levels can reduce the effectiveness of chlorine or bromine and contribute to cloudy water or buildup. To remove them, you can use a phosphate remover and let the spa filter for several hours before cleaning the filter. Regular phosphate testing helps maintain clearer, easier-to-balance water.

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They break down oils/lotions, limit oily line and help keep filters cleaner, in addition to disinfectant.

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It improves comfort (softer water, reduced odors) but does not replace properly adjusted pH, alkalinity and hardness.

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Foam in a spa is usually caused by body oils, soap residues, hair products, lotions, debris, or insufficient filtration. When the hot water and jets are running, these residues mix and create foam on the surface. To remove the foam, you can use a temporary anti-foam product, clean or replace the filter, and check the water balance. If the foam keeps coming back, a plumbing line cleaner or a full spa drain and refill may be necessary to restore clean water.

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It sequesters iron/copper to prevent stains and colored water. It should be dosed especially after filling (well water or high metals) and when topping up water.

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