Safe Accessories & Ammo Storage · Lockdown
Lockdown Silica Gel Canister 750g
3.3/5 Best Safe Score (how we score)
My no-power pick is a vented can of color-changing silica gel that absorbs moisture and needs no electricity. When the beads change color you dry them in a kitchen oven and reuse the can. Coverage is about 50 cu ft per Gun University and American Firearms; Lockdown does not state it.
Details
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Who it's for
- Best no-power option in Best Dehumidifier for Gun Safe – 3 Picks Sized by Cubic Feet: For a bedside box, small cabinet or any safe with no power inside, or as a second layer next to a heated rod in a damp garage; plan on baking it every few weeks, and large safes need several cans.
What we like
- No power or drilling needed, and it works silently anywhere in the safe
- Actually removes moisture, unlike a heated rod
- Reusable by oven recharge, with a color-change indicator
What to know first
- Oven recharge is tedious and the can is hot to handle afterward
- Small coverage (about 50 cu ft), and Gun University finds the indicator color harder to read than on other canisters
Product details
| Brand | Lockdown |
|---|---|
| Manufacturer | Lockdown |
| Model | 222178 |
| Part number | 222178 |
| Dimensions (L x W x H) | 1.5 inches x 6.06 inches x 2.6 inches |
| Item weight | 1.1 pounds |
| Color | Multi |
| Size | One Size |
| Type | Silica gel desiccant canister, passive, color-change indicator |
| Coverage | About 50 cu ft per Gun University and American Firearms; Lockdown's page does not state it |
| Power | None |
| Upkeep | Oven recharge when the beads change color (Gun University gives 225-250 F for 3-5 hours; follow the included instructions) |
| Warranty | One year (American Firearms) |
Top rows from the Amazon listing; the rest from the maker pages we checked.
About this item
- Gun Safes & Accessories
From the product's Amazon listing, as of Nov 7, 2026, 7:59 PM UTC. The seller writes this text, not us, and Amazon may change it.
What owners say
Summarized from 2 owner discussions and review pages we read.
Praise
- One verified owner says it keeps a safe around 55 percent humidity
- Simple, silent and reusable by oven
Complaints
- Oven recharge is tedious and the hot can is awkward to handle
- Too small on its own for a large cabinet
Sources: OpticsPlanet: verified-owner review of the Lockdown Silica Gel Can 750g · Gun University: Lockdown Silica Gel Canister Review
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