Need a reliable, consistent way to keep the spa clean? Try the Frog!
The Frog is a 2 part tool that automatically distributes chemicals. The first part is the base, the second part is the consumable chemical tank. Here is a look:

Notice the Frog is on its side. This is halfway through the cycle. Usually 3-4 weeks of treatment will turn the frog upside down letting you know it is time to replace the chemical part.
Link to the Frog system, including 3 chemical cartridges. https://amzn.to/4vrvK3Q
Link to the replacement pack: https://amzn.to/4suEEuW
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We just got the next Frog refill from Amazon today!