Thermometer recommendations needed : r/candlemaking

This thermometer belonged to my great-grandfather. What are the substances at the bottom? The red liquid and tiny metal balls? (It's about 5 inches long) : r/Whatisthis

Candle Making Thermometer for ACCURATE WAX TEMPERATURE

Thermometer for Candle Making - Candle Thermometer with Clip and Easy-to-Read Temperature Zones for DIY Candle Making

Candle Making Kit Wax Melter Heater Electric Plate Pitcher Soy Wax Thermometer

My first candles. The thermometer I bought didn't work too well, so I was just guessing. I also have a lot of frosting but I'm proud nonetheless. : r/ candlemaking

Thermometer recommendations needed : r/candlemaking

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TP101 MINI Digital Food Thermometer, 60% OFF

Digital Thermometer for Candle Making – Pacifrica

Digital Thermometer - Lone Star Candle Supply

Deiss PRO Digital Meat Thermometer – Ultra Fast Digital Cooking Thermometer with Backlight Display - Waterproof Digital Thermometer for Beef, Poultry, BBQ – Instant Read Digital Candy Thermometer: Home & Kitchen