Krystal Flash
Also called Crystal Flash
A synthetic flash material used in fly tying. It’s sold as fine, twisted strands and tied in as an accent in tails, wings, bodies, or throats.
- Group
- Flash & synthetics
- Category
- Fly tying — materials & tools
- Level
- Beginner
- Water
- Fresh & salt
Last updated
What Krystal Flash means
Krystal Flash is a flash material for tying flies. The fibers are thin, twisted, and reflective, so they throw small glints of light without adding much bulk.
Tiers usually tie it in as a few strands mixed into bucktail, marabou, or other wing and tail materials. You also see it as a short tag at the back of a nymph, as a lateral line on a streamer, or as a hot spot in a baitfish pattern. It comes in many colors, from pearl and silver to bright chartreuse and pink.
Why it matters on the water
Flash is a signal. A couple strands can help a fly read as “alive” in broken light, stained water, or faster current, where subtle materials get lost.
It also gives a quick way to tune a pattern without changing the whole fly. If a streamer looks too dull, add a few strands. If fish are tracking but not eating, reduce the flash or switch to a less reflective material.
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Read next
- Clouser MinnowA weighted baitfish streamer with lead or brass eyes that make it ride hook-point-up. It’s used in fresh or salt water to imitate small fish and move quickly through current.
- FlashabouA synthetic flash material used in fly tying. It comes as long, thin strands that add sparkle and a bit of movement to a fly.
- StreamerA streamer is a fly meant to be moved to imitate a baitfish, leech, sculpin, or crayfish. It is often fished with strips, swings, or a steady retrieve, but it can also be dead-drifted.
- Woolly BuggerA Woolly Bugger is a simple streamer with a marabou tail and a fuzzy chenille body, usually palmered with hackle. It’s fished to imitate small baitfish, leeches, or big nymphs.