Steam Boilers, Condensate

With our rapidly increasing demands for energy, steam grows in importance as a primary energy-transfer medium for power generation, industrial processing and space heating.

Read More


Cooling Towers and Chillers

Many problems are caused by impurities in industrial cooling water due to lack of treatment, governmental regulation of wastewater discharge and escalating emphasis on conservation of both water and energy.

Read More


Water Treatment

Paras Hydrochem performs boiler water side service, cleaning and de-scaling by chemical circulation, to help increase efficiency and extend boiler life, reducing your operating costs and saving your equipment.

Read More


PARAS – AQUACHEM - 717 E-mail

Biocide Chemical for Cooling Water to Control Algae / Fungus


The base body of this Product is Benzal Konium Chloride formulated with dispersant.

PARAS AQUACHEM – 717, is a broad spectrum microbiocide to control the growth of bacteria and algae in open recirculating cooling water system and to control fungal slimes in Industrial cooling water system.

Appearance Colourless clear liquid
Sp. gr. at 25 ºC 0.95 to 1.00
pH 9.0 to 10.0

Ready to use Liquid.
Compatible with other cooling water treatment chemical.
Easy to Handle and Feed.
Broad spectrum activity Non corrosive to metals.


When microbiological slimes are evident, apply a dose of 200 to 250 ppm.


Repeat until control is achieved. Badly fouled systems should be cleaned before the treatment is started.


When microbioligical control is evident, apply a dose of 100 to 150 ppm in the systems once a week, or as needed to maintain control.