Dispenser cartridge and dispenser arrangement

A dispenser arrangement for introducing a dispenser substance into a liquid, comprising:

• a dispenser attachment having at least one dispensing opening and being constructed for connection with a liquid source or a container for receiving and storing a liquid, said dispenser attachment being configured to allow flow of at least a portion of the liquid through the dispenser attachment and to the at least one dispensing opening;
• and
• a dispenser cartridge, said dispenser cartridge containing a dispenser substance, wherein the dispenser cartridge is operably arranged in or on the dispenser attachment or is operatively connectable with the dispenser attachment,
• wherein a defined main flow passage for flow of the liquid therethrough is formable in the dispenser arrangement, said flow passage extending in a direction toward the dispensing opening so as to bypass the dispenser cartridge, and wherein a defined bypass passage is formable, which is fluidly separated from the main flow passage, and extends through the dispenser cartridge in the direction toward the dispenser opening so as to contact and take up a portion of the dispenser substance,
• wherein the dispenser cartridge is reversibly exchangeably insertable into the dispenser arrangement.