Cirkul, a customizable water bottle, has received mixed reviews. Many users appreciate the variety of flavors and the ability to control flavor intensity, which has helped them increase their water intake. However, numerous complaints highlight issues with flavor longevity, with cartridges often not lasting as advertised. Customer service has been criticized for being unresponsive and unhelpful, particularly regarding returns and refunds. Shipping delays and packaging issues have also been reported. Overall, while some users find Cirkul beneficial, others are dissatisfied with its performance and customer support.
