Our Summer Big Red event is on now. Save up to 60% with the Lowest Prices of the Season. 

Shop Now

We’re STILL shipping! Click here for Canada Post labour dispute updates.


Aquarius Test Kit OTO & Phenol Refill Bottles, 20-mL

Product Details

These reliable refill bottles for your pool test kit will help keep your pool water safe and swimmable. The bottles include phenol for reading PH test levels and orthotolidine for determining oxidation. The childproof safety caps mean these phenol refill bottles will stay fresh for the long swim season ahead.

  • Aquarius Test Kit OTO/Phenol Refill Bottles will help you to keep your pool water safe and clean

  • 20 mL (3.4 oz) Orthotolidine (OTO) refill bottle

  • 20 mL (3.4 oz) Phenol (PH) refill bottle

  • Child proof safety cap

Top