26344BIO * BioGuard® 5-Way Test Strips - 50 Strips

https://www.thewoodmill.ca/web/image/product.template/230/image_1920?unique=827fc6e

Available in-store Sudbury location only.

Things you may or may not want to know;

Total Bromine is the sanitizer residual in the water. Maintain a level of 1.0-3.0ppm for residential pools or 2.0-4.0ppm for spas. If too low, add BioGuard brominating products for pools or SpaGuard brominating products for spas
Free Chlorine is the sanitizer residual in the water. Maintain a level of 1.0-4.0ppm for residential pools or 3.0-5.0ppm for spas.If too low, add BioGuard chlorinating products for pools and SpaGuard chlorinating products for spas.
pH should be kept between 7.4 and 7.6 for best results. If too high, add BioGuard Lo N' Slo for pools or SpaGuard Lo N' Slo for spas. If too low, BioGuard Balance Pak 200 for pools and SpaGuard Balance Pak 200 for spas.
Total Alkalinity is a very important measure of the water's ability to resist pH swings. It should be between 125ppm to 150ppm. Total Hardness is the measurement of the amount of dissolved calcium and magnesium in water and should be maintained between 175-275 ppm depending on your pool surface.