We improve the quality of water and air

The office will be closed on Friday, April 19th for Good Friday

Please note that the office will be closed on Friday, April 19th for Good Friday. And it will reopen for regular business hours on April 22nd for Easter Monday.

Specialized on commercial and institutional swimming pools and spas since 1994.


Established in 1994, A.S.I. Aquatic Expert is a company that has developed its expertise providing water quality and air quality solutions, for commercial and institutional swimming pools and spas.

We are proud to have as our customers: hotels, aquatic centres, fitness centers, school boards, municipalities, spas, residential units, housing facilities, health centers, property management companies and much more.

A.S.I. Aquatic Expert a proud distributor for renowned manufacturers such as: Versachlor, Wapotec, Acid-Rite, Walchem, Iwaki, Palintest, Hayward, Pentair, Grosfillex, S.R. Smith, GLB, Taylor and many more!

At A.S.I. Aquatic Expert you will receive technical support according to your needs after purchasing our products – equipment or/and chemicals.

If you require assistance related to specific parts you can’t find elsewhere, filtration equipment, circulation, automation systems, chlorination systems, products for water analysis, safety, rescue and first aid equipment, automatic cleaners (robots) or institutional furniture; call us, we will be pleased to help you find a solution!

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Product highlight of the week:


  • 25 kg.
  • 65% calcium hypochlorite tablets.
  • Distinctive blue-coloured tablets are easy to distinguish from knock-off cal hypo and trichlor tablets (usually white).
  • Conforms to NSF/ANSI Standard 50 which many health officials either reference or require (check with your local and state laws).

Chemicals: Sanitizing products

Are you aware that you can get sick while visiting a SPA? Microbiological test
One-third of Quebec’s recreation centers offer their customers spas whose water contains a disturbing amount of potentially harmful bacteria, according to a survey published by the Journal de Montreal.

The valuable opinion of Jean-Pierre Lajoie, A.S.I Aquatic Expert co-president, special guest on  the Mario Dumont show, shares his point of view…

To read more

Many contaminants can not be seen or tasted in the water, so the only way to really make sure your water is safe is to test it.

Even if the presence of a particular contaminant is obvious, especially in the case of the reddish spots left on devices bt the water containing iron, by having your water tested you will be able to quantify the problem and make an easier choice regarding the best water treatment possible…

To read more

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