OK, so your experiencing pressure building up in your barrel as it rolling? Here's a trick that seems to work pretty well. Add a couple antacid tables to each of the first two stages. I'm partial to Cherry Flavor myself lol.

 WHAT STONES YOU CAN POLISH Here's a simple and easy way to know. Its recommended that the stones you plan to polish in your rock tumbler to be harder than glass. A very easy test to confirm if your stones are indeed harder than glass is to lay a piece of glass on a flat surface. Then with firm (not excessive) pressure drag a point of the stone across the glass. A powdery streak will be made. Blow away the powder. If there is a scratch in the glass the powder was from the glass itself and your stones are good to go! Be sure sign up for our newsletter and to follow MJR Tumblers on Facebook for more...

We here at mjrtumblers.com get this question all the time. I get my stones very smooth and they are shinny when wet but when they dry they turn somewhat hazy. Here is a tip that may fix your problem. Try Burnishing your stones after your final polishing stage. Use approximately 1 table spoon of Burnishing media per pound of stones. Add your stones to your barrel making sure its 3/4 full. If you do not have enough stones to fill your barrel 3/4 full we suggest using plastic pellets to take up the missing volume. Then add your Burnishing media and enough water to just cover the material in the barrel. It may take a few days or up to...

MJR TUMBLERS will polish your gemstones for FREE. Yes that’s right - FREE!!! We are looking to make 6 HOW TO VIDEOS showing step by step how to polish your gemstones with our tumblers. We are looking for all different kinds and sizes. To be considered, you must have a minimum of 12 pounds, and a maximum of 25 pounds of stones. If you meet this criteria, please do the following: Log into mjrtumblers.comJoin our mailing list for useful tips, tricks, discounts and offers (Like this one) and email us at info@mjrtumblers.com with the kind of stones you have, and at least 2 (two) pictures of your washed raw stones. If you are picked to be one of the 6 (six)...

Win this double barrel 12 pound rock tumbler which was awarded BEST HIGH END TUMBLER for 2019!!! Enter to win by signing up for our news letter to receive great tips and tricks and special offers (like this one) and discount codes. The winner will be announced on January 31st. Included with the tumbler will be two 6 pound barrel grit kits to start you on your tumbling journey. Good luck to all who enter! Best Regards, MJR Tumblers

Here we offer some starting points and some basics for effective stone tumbling.