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 PlasticsRock Tumbler Media Grit Refill, 2 lb Medium 180/220 Silicone Carbide Grit, Stage 2 for Tumbling Stones (2 Pack)

Polly PlasticsRock Tumbler Media Grit Refill, 2 lb Medium 180/220 Silicone Carbide Grit, Stage 2 for Tumbling Stones (2 Pack)

4.6/5

Product ID: 256324926

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🔄Compatible with all rotary & vibratory tumblers

⚙️2 lb Medium 180/220 Silicon Carbide Grit

🛡️Durable resealable packaging

Description

💎 Elevate your rock tumbling game with flawless medium grit precision!

MADE IN THE USA - Premium quality control with American sourced materials for consistent results
BEGINNER FRIENDLY - Clear instructions included plus a 100% satisfaction guarantee to ensure your tumbling success
MESS FREE STORAGE - Thick, resealable bags keep grit fresh and prevent spills for hassle-free use
PRECISION STAGE 2 GRIT - Medium 180/220 silicon carbide for perfect smoothing between rough and fine polishing
UNIVERSAL COMPATIBILITY - Works seamlessly with all major rock tumblers including Elenco, Lortone, and Smithsonian

Polly Plastics Rock Tumbler Media Grit Refill offers a 2 lb pack of medium 180/220 silicon carbide grit, designed as Stage 2 in the four-step rock tumbling process. Compatible with all rotary and vibratory tumblers, it comes in durable resealable bags to prevent mess and maintain freshness. Made in the USA with premium materials, this grit ensures smooth, consistent polishing results and includes beginner-friendly instructions with a satisfaction guarantee.

Specifications

Product Dimensions	15.24 x 15.24 x 6.35 cm; 952.54 g
Manufacturer recommended age	7 months and up
Item model number	3405246831
Educational Objective(s)	Supporting educational activities related to geology and mineralogy
Assembly Required	No
Batteries Required?	No
Batteries Included?	No
Material Type(s)	Silicone
Color	Other
ASIN	B07P2N3V53

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Good experience, but the tracking updates could be better.

2 months ago

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

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