Swimming Pool

Swimming Pools

Pool filtration, water chemistry and algae control for homeowners, resorts and pool professionals — AFM® glass filter media, Spark Pool Conditioner, dosage calculators and troubleshooting guides built from real Philippine pool conditions.

Free Tools

Calculators

Pool Volume & Chemical Dosage CalculatorWork out your pool volume and the dose for each chemical. Chlorine Dosage CalculatorHow much chlorine your pool actually needs. Chlorine and Acid Dosage CalculatorBalance chlorine and pH together in one calculation.

Guides

Fixing green, cloudy and algae-prone pools

Turn a Green Pool Crystal Clear in 24 HoursFree step-by-step guide for badly affected pools. Disinfect, Sanitize and Prevent AlgaeDoing all three with a single chemical. Algae Removal Bundle User GuideHow to use the bundle correctly, in order. Automate Pool Water BalancingDosing and control for consistently balanced water. AFM® Installation Guide for PoolsReplacing sand with activated glass filter media.

Spark Pool Conditioner

Product support

Spark FAQsThe questions pool owners ask most often. Spark Troubleshooting GuideWhat to check when results are not as expected. Buy Pool ChemicalsSpark, Clear-Up, Active Summer and more, direct from IWSI. Talk to Us About SparkOrder enquiries, bulk pricing and technical support.

For Pool Professionals

Trade resources

PCO Help CenterResources for pool cleaning operators and service companies. Dryden Aqua Daisy®The integrated approach behind chemical-light pool water. Technical Specifications of AFM®Media grades, bed depth and backwash rates. Swimming Pool ArticlesThirty articles on algae, chlorine, clarity and pool health.

Still fighting a green or cloudy pool?

Tell us your pool size, filter type and current readings and we will point you to the fix.

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