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1/2 Gallon Premium Blue & White Mixed Indicating Silica Gel Beads(Industry Standard 3-5 mm) - 3.6 LBS Reusable

1/2 Gallon Premium Blue & White Mixed Indicating Silica Gel Beads(Industry Standard 3-5 mm) - 3.6 LBS Reusable

Best price now

$22.99at Dry & DryChecked 2 h ago

Compared across 4 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $22.99 at Dry & Dry (checked Nov 15, 2026).
  • Checked at 4 stores.

Our take on the 1/2 Gallon Premium Blue & White Mixed Indicating Silica Gel Beads(Industry Standard 3-5 mm) - 3.6 LBS Reusable

This is a half-gallon bag of reusable indicating silica gel beads, about 3.6 lbs, in a 95% white and 5% blue mix at 3–5 mm. The blue beads shift to pink at roughly 50–60% moisture uptake, so you can see when the gel is working; the beads still hold more moisture after the color change. It suits drying air lines, gun safes, filament storage, paint booths and wood drying. Compared with plain non-indicating gel, you trade a small amount of capacity for a visible moisture signal, and the low-cobalt blue beads address the health and disposal concerns of older cobalt-heavy gel.

Best forDrying compressed air lines and tanksGun safes and tool cabinets3D filament and wood storagePaint booth and spray gun moisture control
Pros
  • Color change shows when the gel is spent
  • Reusable by oven or microwave drying
  • Low cobalt chloride content in the blue beads
  • Large half-gallon volume covers big enclosures
  • Bead size works in trays, bags and canisters
Cons
  • Blue-to-pink change happens before the gel is exhausted, so color alone understates remaining capacity
  • Oven reactivation needs care to stay under 250F
  • Not for food or direct contact with edibles
  • Loose beads need a container or bag to use

1/2 Gallon Premium Blue & White Mixed Indicating Silica Gel Beads(Industry Standard 3-5 mm) - 3.6 LBS Reusable prices at every store

  • Dry & DryNew

    In stockReturn policy

    $22.99Checked 2 h ago
    Visit Dry & Dry
  • R&B Store SupplyNew

    In stock

    $22.99Checked 2 h ago
    Visit R&B Store Supply
  • Dry & DryNew

    In stock

    $22.99Free shippingChecked 2 h ago
    Visit Dry & Dry
  • eBayNew

    In stockSold by silicagelfactory

    $23.99Free shippingChecked 2 h ago
    Visit eBay

1/2 Gallon Premium Blue & White Mixed Indicating Silica Gel Beads(Industry Standard 3-5 mm) - 3.6 LBS Reusable price history

Lowest price we've seen: $22.99 on Nov 15 at Dry & Dry. Tracked across 2 stores since Nov 15.

About the 1/2 Gallon Premium Blue & White Mixed Indicating Silica Gel Beads(Industry Standard 3-5 mm) - 3.6 LBS Reusable

This is a half-gallon supply of mixed blue and white indicating silica gel desiccant beads, about 3.6 lbs in total. The beads are 3 to 5 mm in size. The mix is 95% white beads and 5% blue beads.

The blue beads are the moisture indicator. They turn from blue to pink when they have absorbed 50-60% of their capacity, so almost half of their capacity remains after the color change. The blue beads contain less than 0.3% cobalt chloride, which may pose health and environmental risks.

The beads can be reactivated and reused. Heat them in an oven for 0.5 to 2 hours at 200-250°F, or microwave them for about 10 minutes on the defrost setting. Do not use an oven temperature over 250°F. Depending on their condition, the beads may need less time, so check their color periodically. Not for food use.

Type
Mixed blue and white indicating silica gel beads
Volume
1/2 gallon (approx. 3.6 lbs)
Bbead size
About 3-5 mm
Composition
95% white beads, 5% blue beads
Color change
Blue to pink at 50-60% moisture absorbed
Cobalt chloride
Less than 0.3% in the blue beads
Reactivation
Oven: 0.5-2 hours at 200-250°F, or microwave: about 10 minutes on defrost
Reusable
Yes
Use
Not for food
Applications
Air compressors, paint booths, gun moisture control, 3D filament, drying wood, desiccant drying air compressors, gun safes, tank drying

Questions and answers

How do I know when the beads need recharging?
The blue beads turn pink once they have absorbed roughly 50–60% of their capacity. Pink means it is time to dry them, though they still absorb some moisture after the change.
How do I reactivate the beads?
Spread them in an oven at 200–250F for 0.5–2 hours, or microwave about 10 minutes on defrost. Never exceed 250F, and check the color periodically since drying can finish sooner.
Is the blue gel safe?
The blue beads contain cobalt chloride, but under 0.3% in this product. Keep the beads away from food and from children and pets, and wash hands after handling.
What can I use it for?
It is intended for air compressors, paint booths, spray guns, gun safes, 3D filament, wood drying and similar enclosed spaces. It is not for food.
How much gel is in the bag?
About half a gallon of beads, roughly 3.6 lbs, with 95% white and 5% blue beads at 3–5 mm.
Can I mix it with other desiccants?
It works on its own in trays or permeable bags. Mixing with clay or other desiccants makes the color signal harder to read.
Where is the 1/2 Gallon Premium Blue & White Mixed Indicating Silica Gel Beads(Industry Standard 3-5 mm) - 3.6 LBS Reusable cheapest?
At Dry & Dry, for $22.99, as of our latest check.
Where can I buy the 1/2 Gallon Premium Blue & White Mixed Indicating Silica Gel Beads(Industry Standard 3-5 mm) - 3.6 LBS Reusable?
3 stores we checked sell it, including Dry & Dry, R&B Store Supply, eBay.

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    5 LBS Blue "Dry&Dry" High Quality Desiccant Indicating Silica Gel Beads - Reusable