AATCC 61   AATCC 135&150

1, AATCC 1993 STD WOB Detergent (Without Optical Brightener), 24 LB/Tub
The American AATCC Association standard 1993 contains no fluorescent detergent WOB-- (every 24 pounds) (no phosphorus)
Standard: AATCC 61
1993 WOB standard reference detergent conforms to AATCC specification products and needs to be used in the AATCC 61 test method without fluorescent brighteners
2, AATCC 1993 STD REF Detergent, drum of 24LB
"American AATCC Association" standard 1993 containing fluorescent detergent -- (24LB/ barrel) (phosphorus)
Conform to the standard: AATCC 135&150
1993 standard reference detergent conforms to AATCC specification products and a variety of AATCC testing methods are common, containing fluorescent brighteners.