3 ms·
Not knocking it, but the main issue in this case is that the commercial one specified is way over-priced. You can pick up tube racks on eBay for 5USD including
by new299 8y ago
Not knocking it, but the main issue in this case is that the commercial one specified is way over-priced.
You can pick up tube racks on eBay for 5USD including shipping. I've not seen magnetic ones, but gluing a couple of magnets on would provide a similar result.