Silver Series Carbon Block Filter Size:20" X 2.5" These are Ammonia test strips

These are Ammonia test strips & the reagent for the eXact iDip photometer

Why should you choose this catalytic carbon

The TDS-3 is currently the most compact TDS meter available and is pocket sized due to its slim design

Electrode is quick and easy to replace by unscrewing it from the meter body and adding a new one

Silver Series Carbon Block Filter Size:20" X 2.5" These are Ammonia test stripsFrequently used for drinking water, aquariums, pond dechlorinators Made from safe, food grade materials Contains a mixture of bituminous and coconut shell carbons Removes heavy metals (lead, copper, mercury, caesium, strontium) Removes chlorine, its derivatives and organic substances Softens water (improving scale reduction) Improves taste and odour of water Excellent filtration at small pressure drops