Define what you measure
Use accepted dry-textile weight as a consistent comparison unit, and do not count rewashing as extra accepted output. Separate major work types such as bed linen, restaurant linen and workwear: soil and textile differences change programme requirements.
Include chemicals, water, energy, labour and maintenance where data is available. If you compare chemicals alone, call the measure “chemical cost per kilo” so it is not mistaken for total operating cost.
Concentrates belong to a system
A concentrate still needs to suit the machine, dosing system, textiles and water quality. Request specifications for the actual product and task; do not judge performance or alter dosage by liquid colour or foam.
Track consumption from stockroom to operation. Inventory differences may reflect spills, measurement errors or inconsistent records. Connect stock issues to wash programmes and supervisor observations.
Account for rework
Compare a defined trial using accepted kilos, rewash rate, time and fabric observations. A lower chemical price accompanied by more rewashing may increase water, energy and labour costs. Calculate that effect before expanding use.
Specify textile type, load size, throughput, equipment and the problem you want to solve. Select detergent, prewash and stain-treatment categories according to actual need, rather than adding stages simply because the catalogue offers them.
Products related to this guide
Liquid laundry detergentFabric conditionerTextile stain removerLaundry prewashGeneral guidance, not preparation instructions for a specific product. Product labels, documentation and local requirements take priority.
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