Comparison Chart

 
Test technology Immuno-assay Colony Forming Units ATP
Test FUELSTAT® Microbe Monitor 2 IP385 Easicult Combi HY-LITE
Supplier Conidia Bioscience ECHA Approved
Laboratories
Merck
Measurement
criteria
Accurate
levels of contamination of Hres, Yarrowia Lipolytica & Pseudomonas Aeruginata
Quantitative
assessment of CFU
Quantitative
assessment of CFU
Semi-quantitative
assessment of CFU
Quantitative
assessment of ATP
Measurement
method
Visual
assessment of lines on pregnancy test style paddle
Count
number of colonies or compare to chart
Count
number of colonies
Compare
to chart to assess number of colonies
Numerical
reading from HY-LITE instrument
Detects with water sample yes yes yes yes yes
Detects with fuel sample yes yes yes no yes
Time from test to result 10 minutes 1 to 6 days (depending on level of contamination and use of an
incubator)
3-5 days 2-5 days Up
to 10minutes
Suitable for on site use yes yes no yes yes
Shelf life 21
months ambient
1 year ambient 2 years refrigerated not applicable 9
months ambient
1 year refrigerated
Skill Level low medium high low medium
Equipment required Clean bottle & gloves Clean bottle gloves and preferably incubator Fully equipped & certified laboratory Clean bottle and gloves Hy-lite
Instrument
Investment required low medium high medium medium
Disposal arrangements none in disinfectant not applicable in disinfectant 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 though may show positive for up to 3 days yes yes Yes but underestimates Yes
special protocol needed in some cases