Water Hardness Testing Kit

Register now to receive your FREE water testing kit.

 
1. Would you like to receive information on the Biopure 15?
2. Would you like to be contacted by an Elga representative?


Additional Information:

Offer available while stocks last. Delivery within 7 days.

Stop/Go Hardness Test

Fill to the mark with water sample.
Add one drop of solution.
Swirl to mix.

  • Blue colour = soft
  • Purple colour = hard


Wear suitable protective clothing (gloves and eye/face protection)