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Algae Prevention & Eradication Specialist Certification
Swimming Pool Education Courses
Rudy Stankowitz Rudy Stankowitz
$199.99
Water Testing & Test Kit Interferences
The most important step in pool care
Rudy Stankowitz Rudy Stankowitz
$9.99
Diatomaceous Earth Calculations
Determining the correct dose of diatomaceous earth to add to a vacuum DE system
Rudy Stankowitz Rudy Stankowitz
FREE
Troubleshooting Suction Side Leaks
Finding where air is entering the system
Rudy Stankowitz Rudy Stankowitz
FREE
Alum Certification Class
The Class About Using Aluminum Sulfate
Rudy Stankowitz Rudy Stankowitz
$19.99
Mustard Algae Seminar
an investigation into swimming pool diatoms
Rudy Stankowitz Rudy Stankowitz
$9.99
A L👀K at Cyanuric acid
Rudy Stankowitz Rudy Stankowitz
$9.99