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Operational pHEffective between 6 to 8
Operational TemperatureStable up to 40°C
Purachem BIO4 has an operating temperature of up to 40°C and is effective over a wide pH range of 6 - 8.
Suitable for use as part of chemical cleaning policy, such as BSRIA BG 29/2021 and as part of a scheduled maintenance program.
This product has a broad spectrum of activity, including efficacy against:
Effective against:
Appearance:Pale yellow liquid
Consistency:Low viscosity
Density:1.15 - 1.20g/cm³
Odour:Mild
Foam:Low foam
pH:2.0 - 3.0
Active Biocide:Bronopol
Available in: 1, 5, 20 litre containers ( bulk containers & tankers available on request )
Recommended dosing for a clean system (preventative dose):
600 ml per 2000 litres of system volume, or 0.03% v/v of the overall system.
Recommended dosing for a contaminated system (shock dose):
800 ml per 2000 litres of system volume, or 0.04% v/v of the overall system.
Recommended dosing for a scheduled dosing (maintenance dose):
400 ml per 2000 litres of system volume, or 0.02% v/v of the overall system every six months.
We suggest sampling and analysing system fluids biannually to catch any issues early.
Or call one of our fluid specialists and we'll talk you through our products and help you find the best fluid for your system.
Click here to see how Hydratech can help with installing, commissioning, operating or optimising large cooling and heating systems.
Regular analysis can extend the life of both fluid and system. Hydratech’s Fluid Monitoring Program (FMP) is a very straight forward, effective way to proactively monitor closed-loop system condition.