CirkulGoSip Flavor Cartridge Variety Pack with Caffeine, 6-Pack (2 Blue Raspberry, 2 Black Cherry, 2 Strawberry Watermelon)

These taste great! They only lasted me about 3 or 4 fill ups, but I keep my flavoring level up to 6 or 7. However, I still think the price for the product was pretty good.

I love my cirkul. It has me drinking so much more water than I usually do. There are so many flavors, and they are easy to switch out during the day. Water has never been so much fun.

Great purchase much cheaper than the store. Very little caffeine, good quality taste great, and you can control the strength of the flavor.

I love the concept, annd flavors, and try to use as little product as possible to stretch it out, but be aware that, especially in the hot humid weather, mold can grow around the cartridge (see picture).

Love this bottle. I don’t like water but this bottle has so many flavors to choose from I love it. I love the fact you can choose the desired amount of flavoring.

Taste and quality was great, being delivered in the mail vs getting in the store was no big deal. Boxes were sturdy and great value for the convenience.

So yummy I want to actually drink water before I'm super thirsty.

The idea behind this flavor cartridge system is great, and the variety pack offers a nice selection of flavors to try. The taste is generally good when the cartridges are working properly, and being able to adjust flavor strength is a nice feature.However, it is not as convenient as I thought it would be. The cartridges often seem to stop dispensing flavor even though there is still liquid inside, which feels wasteful. I have tried adjusting them and cleaning the connection points, but the issue still happens.For casual use it can still be enjoyable, but for the price I expected a more consistent performance from each flavor pack. If the manufacturer can fix the dispensing problem, it would be a much better product overall.