Punggol residents suffer from brown water

Residents in Punggol were shocked yesterday afternoon when brown-coloured water began flowing from their taps. Around fifty blocks in the area were affected. In spite of the reaction from residents, PUB (the national water agency) declared that although the water was...

NSF & Houshold Water Filtration

NSF & Houshold Water FiltrationTwo NSF standards cover filtration systems: NSF/ANSI 42 addresses aesthetic claims and NSF/ANSI 53 addresses health claims. NSF/ANSI Standard 42: Drinking Water Treatment Units – Aesthetic EffectsNSF/ANSI Standard 42...