how much do you put in a 1 lb Tumbler barrel?

You would add 2 tablespoons per lb. of rock for both Stages 1 and Stage 2 (that is shown). Steps 3 and 4 will require 1 tablespoon per lb. of rock.

Is this good for etching glass? Has anyone tried it on glass?

Yes, it will work for tumbling glass. Using Step 2 will give a matte finish. Tumbler for a couple of days and check if are happy with the finish. You may have to tumble a couple more days to get the effect you like. To get a more clear look, continue with Step 3 grit (500 grit) and then possibly on to Step 4 (aluminum oxide).

Is it 6 table spoons of grit for 3 pouns of rock? The video doesn't show them putting that amount in

Yes. We recommend 2 tbs per lb of rock for steps 1 and 2. 1 tbs per lb of rock for step 3 and then 1.5 tbs per lb of rock for step 4.

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Polly Plastics Rock Tumbler Media Grit Refill, Medium 180/220 Silicon Carbide Grit, Stage 2 for Tumbling Stones (2 Pack) (6 lb.)

Product ID: 433785548

Details

Brand
Polly Plastics
Grit Material
Silicon
Grit Type
Medium
Item Weight
2.91 kg
Material
Silicone

⚙️Medium 180/220 Silicon Carbide Grit

🛠️Universal compatibility with all rock tumblers

🇺🇸Made in the USA with premium materials

R3474

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Description

💎 Elevate your rock tumbling game with pro-grade grit — don’t get left behind!

PRECISION STAGE 2 GRIT - Perfectly calibrated 180/220 silicon carbide for flawless stone smoothing
MESS FREE REUSABLE JARS - Durable packaging designed to prevent spills and store grit safely
AMERICAN QUALITY ASSURANCE - Crafted in the USA with strict quality control for contaminant-free results
BEGINNER FRIENDLY GUARANTEED - 100% satisfaction backed, ideal for pros and hobbyists alike
UNIVERSAL TUMBLER COMPATIBILITY - Works seamlessly with Elenco, Lortone, National Geographic & more

Polly Plastics Rock Tumbler Media Grit Refill offers 6 lbs of medium 180/220 silicon carbide grit, designed as Stage 2 in a 4-step tumbling process. Compatible with all major rock tumblers, it comes in reusable jars to prevent mess and ensure easy storage. Made in the USA with premium materials, this grit guarantees superior polishing performance and is backed by a satisfaction guarantee, making it perfect for both beginners and seasoned hobbyists.

Specifications

ASIN	B09L5K5LXT
Best Sellers Rank	#18,977 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #18 in Tumbling Media
Brand Name	Polly Plastics
Compatible Material	Stone
Customer Reviews	4.8 4.8 out of 5 stars (420)
Grit Material Type	Silicon Carbide
Grit Number	180
Grit Type	Medium
Item Weight	2.91 kg
Manufacturer	Polly Plastics
Material Type	Silicone
Number of Packs	2
Part Number	3405246831
Set Name	Stage 2 Rock Tumbler Media Grit Refill (2 Pack, 6 lb.)

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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R3474

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.

Secure transaction

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