the most trusted name in water testing

Conserve Your Chlorine

 

FAS-DPD is more precise than the standard color-matching method, and it can help you avoid chemical overuse. So, why choose FAS-DPD?

  • It is precise—capable of measuring chlorine in 0.2 ppm or 0.5 ppm increments
  • It can measure chlorine levels up to 20 ppm without reagent bleaching
  • No color-matching needed—excellent option for testers with color vision deficiency
  • Avoid chlorine waste and save money

How it works:

 

FAS-DPD test kit options:

PART NUMBER METHOD TESTS FOR IMAGE
Drop test kit Free/combined chlorine, pH (acid & base demand), total alkalinity, calcium hardness, cyanuric acid
Drop test kit (2 oz.) Free/combined chlorine, pH (acid & base demand), total alkalinity, calcium hardness, cyanuric acid
Drop test kit Free/combined chlorine, pH (acid & base demand), total alkalinity, calcium hardness, cyanuric acid, salt
Drop test kit (2 oz.) Free/combined chlorine, pH (acid & base demand), total alkalinity, calcium hardness, cyanuric acid, salt
Drop test kit Free/combined chlorine or bromine, pH (acid & base demand), total alkalinity, calcium hardness
Drop test kit Free/combined chlorine, pH, cyanuric acid
Drop test kit Free/combined chlorine
Drop test kit (2 oz.) Free/combined chlorine