Page 7 - A Guide for Users of Packaged Wastewater Treatment Systems
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A GUIDE FOR USERS OF PACKAGED WASTEWATER TREATMENT PLANTS - BRITISH WATER WWTP FG GU-V 1.1-2020 7
09. the sewage treatment plant more than
HARD WATER, SOFT is necessary.
WATER AND SALT DISHWASHER PRODUCTS
Your local water authority can tell you if If using a dishwasher, keep the salt
you are in a hard or soft water area. If you dispenser topped up as it softens the
don’t know who supplies your water, go to: water reducing the amount of dishwasher
https://www.ofwat.gov.uk/households/ detergent needed to clean effectively.
your-water-company/map for England Opt for a liquid or loose powder option
and Wales. Scottish Water for Scotland so you can more easily adjust the dosage
and Northern Ireland Water for to the water hardness/softness of your
Northern Ireland. area. Use only the amount specified by
the manufacturer.
Hardness is determined by the level
of naturally occurring calcium and WATER SOFTENING UNITS
magnesium compounds in your water.
High content means your water is hard, If water softening equipment is correctly
whereas low compound content indicates sized and installed and the treatment
your water is soft. Salt can be used to system is designed and sized correctly,
soften water. with the knowledge that a water softener
will discharge into it, then there should
Detergents of all types work more not be a problem. If you want to install
effectively in soft water so less detergent a new plant, do be aware that domestic
is needed. Check laundry detergent and and commercial water softeners involve
chemical product labels and stick to the a salt regeneration process and salt in
correct dosage specified for the water high concentrations can be harmful to
type in your area so you are not loading biological treatment systems.
Keep your dishwasher salt dispenser topped with
a liquid or loose powder to soften the water. Only
use the amount specified by the manufacturer.
