This water testing kit comes with full instructions and includes 20 Rapid DPD1 test tablets and 20 Phenol red test tablets and a colour comparitor style tester with Chlorine range from 0.5 - 6ppm and pH from 6.8 - 8.2.
All tablets are contained in blister packs ensuring simple transfer to comparitor chamber.
It is essential that you do not touch the individual test tablets when transferring from the blister pack as contaminents on your fingers can adversely affect the readings.