Full BSRIA Closed System Water Analysis – BG 50/2015

£81.40£454.00 exc. VAT


Micro Analysis Includes

  • Aerobic Colony Count 30C (Also expressed as TVC)
  • Nitrite Reducing Bacteria
  • Sulphite Reducing Bacteria
  • Pseudomonas

And Full Suite of Chemistry analysis, detailed below.

Report comes complete with results, comment and any recommended actions.

You are ordering a sample kit, pre-paid return packet and full laboratory analysis.

Lead Time: Up to 12 working days

We require full sample bottles to be able to perform this test. Refunds will not be offered where minimum sample requirements are not met.

Please note: Samples with strong colouration may be subject to test interference, therefore it may not be possible to obtain a full set of results


BULK BUY DISCOUNTS AVAILABLE for +5 and +11 samples

BSRIA Compliant Closed System Water Testing Screen

Full Microbiological and Chemistry Suite

Feedwater’s Micro Laboratory can now offer the full Microbiological analysis in compliance with BSRIA Closed Heating and Cooling System BG 50/2015 as highlighted in chapter 6.4: Management of the Water Treatment Program.

The typical testing frequency of a heating or cooling system after commission is 1-3 months although a more frequent testing regime may be desirable within the first 6 months of life.

Micro Analysis Includes

  • Aerobic Colony Count 30C (Also expressed as TVC)
  • Nitrite Reducing Bacteria (NRB)
  • Sulphite Reducing Bacteria (SRB)
  • Pseudomonas

Chemistry Analysis Includes

  • Visual appearance
  • pH
  • Conductivity
  • Total Dissolved Solids
  • Suspended Solids
  • Solids, Settleable
  • Silicate as SiO2
  • Nitrite as N
  • Phosphate as PO4
  • Nitrate as NO3
  • Chloride
  • Sulphate as SO4
  • Alkalinity as CaCO3 (Automated)
  • Ammoniacal Nitrogen as N
  • Iron, Total
  • Iron, Ferrous (Filtered)
  • Iron, Ferric (Filtered)
  • Boron, Dissolved
  • Molybdenum, Dissolved (For Molybdate)
  • Calcium, Dissolved
  • Copper, Dissolved
  • Magnesium, Dissolved
  • Zinc, Dissolved
  • Aluminium, Dissolved
  • Iron, Dissolved
  • Potassium, Dissolved
  • Sodium, Dissolved

Micro analysis takes 5 days from receipt of sample, chemistry can take up to 12 days. Upon completion you will be provided with an analysis certificate of results. If you require assistance with the treatment of your Closed System please speak to us as Feedwater can provide free consultation services.

Sampling Kit will include

  • 1x 250ml sample bottle
  • 2x 1l sample bottle
  • Instructions and advice
  • Gel packs (To freeze and keep sample cool)
  • Pre-paid Special Delivery return packaging

For more information on our close heating and cooling system water treatment services or our Facilities Management partnerships please visit our services pages by clicking the links.

Sampling & Legionella Control

Feedwater’s expert consultants can come take water samples for you and discuss Legionella Control options with you.

Chemistry and other Micro Sample Kits available


Please ensure that you post your samples the same day that you collect them and, because our lab is shut at the weekend, plan your sampling so they arrive with us between Monday and Friday i.e. its best to sample between Monday and Thursday but be aware of any bank holidays.

Other Sample Packs

Additional information

Weight 0.1 kg

Full BSRIA Micro & Chemistry Analysis, BSRIA Micro Only Analysis, BSRIA Chemistry Only Analysis

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