Loon Biostrike Putty Indicator – Adjustable, Biodegradable & Reusable for Fly Fishing

BioStrike: an adjustable putty indicator for fly fishing

BioStrike is a pliable putty indicator designed to help you set the depth and size of your indicator with ease. Roll a small amount between wet fingers to form a compact ball, then apply anywhere on your leader. When you need to reposition, simply remove and return BioStrike to its container for reuse.

In addition to offering adjustable depth, BioStrike emphasizes sustainability. The material is reusable and biodegradable, offering a flexible option that reduces waste while keeping your rig adaptable to changing conditions. The soft, moldable texture allows you to tailor the indicator without adding bulk, and it responds predictably to finger pressure for reliable initial setup.

Why anglers choose BioStrike

• Adjustable size lets you tailor the indicator to your setup
• Delivers improved visibility when fishing small dry flies
• Reusable design helps minimize waste over many trips
• Biodegradable composition supports eco-friendly fishing practices
• Adheres to the leader without leaving sticky residue on gear
• Flexible material works across a range of water conditions and light

How to use BioStrike

• Roll a small amount between wet fingers to create a ball
• Shape the ball to the desired depth and size
• Place on the leader at the chosen position
• Test visibility and adjust by repositioning as needed
• Remove and return BioStrike to the container after use
• Wipe or rinse hands and gear to maintain cleanliness

In practical field conditions, BioStrike offers a flexible, field-ready approach. Whether you’re fishing clear spring creeks or stained tailwaters, the ability to quickly adjust the indicator's depth and size can help you respond to changing light, water clarity, and fly size. This option aligns with a thoughtful, hands-on fishing routine, presenting a practical alternative among indicator tools. While it does not guarantee outcomes, BioStrike is a versatile choice that may contribute to a smoother setup and easier experimentation for anglers using small dry flies.