Loon Outdoors Stream Line Fly Fishing Water-Based Fly Line Lubricant is a popular product designed to enhance the performance of your fly line. Here’s what you need to know:
Key Features:
1. Water-Based Formula – Safe for all fly lines (floating, sinking, intermediate) and won’t degrade coatings or attract dirt.
2. Reduces Friction – Helps your line shoot smoother through the guides, improving casting distance and accuracy.

3. Extends Line Life – Conditions and protects the line from wear, UV damage, and cracking.
4. Non-Greasy & Eco-Friendly – Unlike silicone-based lubes, it doesn’t leave a slick residue and is fish-friendly.
5. Easy Application – Simply apply a small amount to a cloth or directly to the line, then wipe and polish.
When to Use It:
– Before a fishing trip to maximize performance.
– After cleaning your line to restore slickness.
– In cold weather to prevent ice buildup on the line.
How to Apply:
1. Clean your line (if dirty) with Loon’s Line Speed or mild soap.
2. Apply a few drops of Stream Line to a microfiber cloth or directly on the line.
3. Run the line through the cloth to spread evenly.
4. Let it dry briefly before fishing.
Why Choose It Over Silicone?
– Doesn’t attract dirt or gunk.
– Won’t harm fly line coatings over time.
– Environmentally safer for aquatic habitats.
Best For:
– Anglers who want longer casts with less effort.
– Those fishing in cold or saltwater conditions.
– Anyone looking to prolong their fly line’s lifespan.
If you’re experiencing sluggish line performance or want to maintain your gear, Stream Line is a great choice. Pair it with Loon’s Line Speed Cleaner for best results.
Would you like tips on fly line maintenance or other Loon products?