I don't understand how these magnets work with a nonferrous metal like aluminum?

I'm no physicist but you're not using the magnets to bond onto aluminum. Ferrous materials such as iron can conduct magnetic fields so two magnets can magnetically bond to each other (north and south polarity). Aluminum - a non-ferrous material - is paramagnetic, which means it responds weakly to magnetic fields. Magnetic fields will pass through aluminum. That means two magnets - aligned correctly - separated by a sheet of aluminum should still bond to each other.

Do u put a magnet/weight inside the bag?

Nope. Submerge the bag first. Put two magnets on the outside of the bag which will secure the bag to the inside the pot. 3. Put the remaining 2 magnets on the outside of the pot but line them up with the magnets in the pot to further secure the bag.

Can these work in an air fryer?

I don't know...but I certainly wouldn't try it. There's a latex type covering on the magnets that probably wouldn't fare well in an air fryer. Just sayin'....

Will they work with a food silicone reusable bag?

Yes. They are just magnets. Typically, you will place a magnet on each side of the bag in the corners to weight it down.

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IMPRESA Silicone Sous Vide Magnets Pack of 4 - Blue Secure Bag Submersion & Sous Vide Weights - Food-Grade Silicone & Food Safe Magnets - Universal Container Fit for Kitchen Use

IMPRESA Silicone Sous Vide Magnets Pack of 4 - Blue Secure Bag Submersion & Sous Vide Weights - Food-Grade Silicone & Food Safe Magnets - Universal Container Fit for Kitchen Use

Product ID: 269812997

Details

Brand
IMPRESA
Color
Blue
Material
Food-grade
Product Dimensions
1.25"D x x
Voltage
120 volts

🔥Heat resistant up to 413°F

🧲4 food-safe silicone magnets

♻️Reusable & easy-clean silicone cover

4835 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧲 Elevate your sous vide game—precision cooking just magnetized!

MESS FREE HANDLING - Silicone coating ensures easy grip and quick cleanup—no more slippery weights.
UNIVERSAL COMPATIBILITY - Fits glass, stainless steel, polycarbonate & aluminum containers seamlessly.
PRECISION SOUS VIDE CONTROL - Keep bags perfectly submerged for even cooking every time.
FLAVOR PRESERVING INNOVATION - Magnets replace traditional weights, preventing flavor contamination and boosting consistency.
DURABLE HEAT RESISTANT DESIGN - Food-grade silicone withstands high temps up to 413°F without wear.

IMPRESA Silicone Sous Vide Magnets are a pack of 4 blue, food-grade silicone-covered magnets designed to keep sous vide bags fully submerged for consistent cooking. Compatible with multiple container types and heat resistant up to 413°F, these reusable magnets offer a durable, easy-to-clean alternative to traditional sous vide weights, ensuring precise temperature control and flavor integrity.

Specifications

ASIN	B08PC97YHL
Best Sellers Rank	#154,635 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #2,930 in Kitchen Storage Accessories
Brand Name	IMPRESA
Color	Blue
Control Method	Touch
Customer Reviews	4.6 4.6 out of 5 stars (468)
Item Dimensions D x W x H	1.25"D x 1.25"W x 0.39"H
Manufacturer	Impresa
Material	Food-grade silicone, food-safe magnets
Part Number	CookingMagnets4pk
UPC	850020755158
Upper Temperature Rating	413 °F
Voltage	120 volts

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