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Updated September 2021
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BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.Read more 
Bottom line
Pros
Cons
Best of the Best
DampRid Refillable Moisture Absorber
DampRid
Refillable Moisture Absorber
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Small and Mighty
Bottom Line

Great smelling cups that effectively draw moisture and mold out of the air. Great for closets, basements and boats.

Pros

Small size cups fit out of sight. Moisture absorbing crystals release fresh lavender and vanilla scent as they dissolve. Crystals are replaced with water as it works. Cups can be refilled to reduce waste.

Cons

Containers will leak/overflow with water if left unchecked.

Best Bang for the Buck
Dry and Dry Silica Gel Desiccant
Dry and Dry
Silica Gel Desiccant
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Best for Small Jobs
Bottom Line

Easy-to-use packs best for keeping items (not rooms) moisture free. Great for food or books.

Pros

Compact-sized packs of silica gels. Resealable bags keep the packs safe. Packs are food safe, making it perfect for keeping food storage safe. Packet material is made of high-quality, thick paper for ultimate moisture absorption.

Cons

Beads don't have an indicator to show they are working.

Vacplus Moisture Absorber Boxes
Vacplus
Moisture Absorber Boxes
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Mold Fighter
Bottom Line

Large capacity moisture absorbing containers allow users to place and forget.

Pros

These are 10.5-ounce containers with calcium chloride absorbers. Also available with activated carbon. Fragrance free. Water collecting layer allows you to monitor water absorption.

Cons

Absorption rate is not consistent.

Vacplus Hanging Moisture Absorber
Vacplus
Hanging Moisture Absorber
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Clothes Saver
Bottom Line

Hanging moisture absorbers that fight dampness where clothes need it most.

Pros

Hangs right next to your clothes. Compact design doesn't take up much closet space. Visible water collection to show they are working and when to replace. Fragrance free.

Cons

Packets collect a much smaller amount of water.

Arm and Hammer Moisture Absorber and Odor Eliminator
Arm and Hammer
Moisture Absorber and Odor Eliminator
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Trusted Brand
Bottom Line

A tried and true brand that tackles moisture and musty odors.

Pros

Large 14-ounce refillable tub. Freshness and absorption should last for up to 60 days depending on environment. Works best in smaller rooms like closets and laundry rooms. No overpowering smell.

Cons

Sometimes tough to find refillable materials.

HOW WE TESTED

We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

52
Models
Considered
60
Consumers
Consulted
24
Hours
Researched
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Our Top Picks