We know this can be frustrating, especially when you’re trying to change your refill. In most cases, this can be resolved, but the next step depends on which Pro Series you have.
If your Pro Series has a brushed or matte metal finish:
(orders placed after September 2025)
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Use the included wrench to gently loosen the lid.
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If you no longer have the wrench, a standard adjustable wrench will work.
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The lid can sometimes feel stuck due to normal use or mineral buildup—this is common.
If your Pro Series is very shiny with no brushed texture:
(orders placed before September 2025)
- Please contact our Customer Support team at **help@filterbaby.com **so we can assist you directly.
After opening the lid:
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Clean the threads with warm, soapy water or a mild descaler like vinegar or citric acid.
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Rinse thoroughly and dry completely with a towel before reinstalling the lid.
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Keeping the threads clean and dry between refill changes helps prevent sticking over time.
If you’re unsure which version you have or need help opening the lid, our team is always happy to help at help@filterbaby.com.