Ammonia Test Kit is very useful to measure Ammonia level in the water that is hazardous towards fishes.
I. Brief History ISW business activities ( an abbreviation of Indah Sari Windu) was first established in 1980 in Medan, North Sumatra. ISW engaged in general trading include export, import and....
Specification: Scope 0.0 to 14.0 pH Resolution 0.1 pH Accuracy  ± 0.1 pH Biosphere 0 to 50 ° C Battery Type 3 x 1.5V, Alkaline Battery Durability 700 hours of constant usage ....