When/when not to use color preserver on thread?

Rod Wrapping Thread - Metallic Vivid (Single Color) - Regular single color metallic thread - 46 colors available in Size A, 100yd or 1 oz (700yd)

Hitena Thread - Metallic Vivid (100-yard spool)

How to Apply Color Preserver: Custom Rod Building

WHAT IS COLOR FASTNESS AND WHAT SHOULD WE CHECK - Candle Thread

Foundry Kitchen & Bar - Stop in and check out our February

Custom Rod Builders

On Thread Conditioning & Beeswax for Embroidery –

The Difference Between ColorFast and Nylon Thread Wraps - In-Fisherman

3 Simple Ways To Add Dragon Scale Wraps

Comparing ColorFast and Nylon Rod Winding Thread

4 Unique Tips for Nylon Thread Wraps - In-Fisherman

Rod Building's 4 Ways for Better Epoxy Finish

Texas Rod Works Custom Rod Giveaway Contest

WonderFil Specialty Threads - Best Practices to Store Your Sewing