Toys "R" Us offers the HTH 6-Way Swimming Pool & Spa Chemical Test Strips
. Opt for in-store pickup
to avoid the $5.02 shipping fee. That's $23 under the lowest total price we could find elsewhere. Sales tax is added where applicable. 50 strips are included, that test for chlorine, bromine, pH, total alkalinity, total hardness, and Cyanuric acid.