Test Technology Colony Forming Units Immuno-assay ATP
Test Microbe Monitor 2 IP385 Easicult Combi FUELSTAT® HY-LITE
Supplier ECHA Approved
Laboratories
Conidia Bioscience Merck
Measurement
Criteria
Quantitative
assessment of CFU
Quantitative
assessment of CFU
Semi-quantitative
assessment of CFU
Accurate
levels of contamination of Hres, Yarrowia Lipolytica & Pseudomonas Aeruginata
Quantitative
assessment of ATP
Measurement
Method
Count
number of colonies or compare to chart
Count
number of colonies
Compare
to chart to assess number of colonies
Visual
assessment of lines on pregnancy test style paddle
Numerical
reading from HY-LITE instrument
Detects with Water Sample yes yes yes yes yes
Detects with Fuel Sample yes yes no yes yes
Time from Test to Result 1 to 6 days (depending on level of contamination and use of an
incubator)
3-5 days 2-5 days 10 minutes Up
to 10minutes
Suitable for On Site use yes no yes yes yes
Shelf life 1 year ambient 2 years refrigerated not applicable 9
months ambient
18
months ambient
1 year refrigerated
Skill Level medium high low low medium
Equipment Required Clean bottle gloves and preferably incubator Fully equipped & certified laboratory Clean bottle & gloves Clean bottle & gloves Hy-lite
Instrument
Investment required medium high low low medium
Disposal Arrangements in disinfectant not applicable in disinfectant none none
Microbes
Detected
Bacteria yes yes yes yes yes
SRB’s Only with modified protocol yes
Yeasts yes yes yes yes yes
Moulds yes yes yes yes yes
H.res yes yes yes yes yes
Mould
mycellium
yes yes yes yes yes
Mould
spores
yes yes yes yes yes
Biocide Treatment Validation Capability yes yes Yes but underestimates Yes though may show positive for up to 3 days Yes
special protocol needed in some cases