Swimline HydroTools 1 ounce refill solution #2 for HydroTools water quality test kits.

The HydroTools pH Test Solution #2 Test Kit Refill Features Include

• The #2 solution is Phenol Red, a pH test solution
• One (1) ounce bottle
• Genuine Swimline HydroTools product
• Swimline HydroTools Item #8442
• Color and number coded for easy refill ordering
• Replacement #2 solution for Hydrotools Test Kit Model 8440