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Should You Spray a Tent with Permethrin?

If you spray your tent with Permethrin to protect yourself from Lyme-disease-carrying ticks and blood-sucking mosquitos, you should spray the inner tent or insect netting and not the rain fly, which is waterproof and will prevent the Permethrin from soaking in. Permethrin is also quickly broken down by ultra-violet light, so it will break down quickly with sun exposure.

If you decide to treat the inner non-waterproof part of your tent, by spraying or soaking, you want to avoid using Permethrin or Permethrin Concentrate containing petroleum distillates and use water-based Permethrin instead. The petroleum distillates may degrade or ruin any synthetic waterproof coatings on your tent. If in doubt, call the tent manufacturer and ask for their advice. You should also avoid using Permethrin with petroleum distillates on clothing since it can cause skin reactions and can leave an unpleasant odor that lasts a long time. Unfortunately, repeated washing to get rid of the odor will also get rid of the Permethrin.

Read more about Permethrin & its use cases, written by Philip Werner.

LAST UPDATED

June 28, 2022

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Philip Werner

Section Hiker

MEDIA MENTIONS

While DEET products may be more familiar by name and their chemical smell, sprays with 20 percent picaridin, like Sawyer Products, offer comparable protection without the harsh odor and oily feeling on your skin.

Kevin Brouillard
Travel & Leisure

MEDIA MENTIONS

The Sawyer Squeeze was (by far) the most common Pacific Crest Trail water filter this year – for the fifth year in a row. It’s a $39, 3 oz / 85 g hollow fiber filter that rids your drinking water of protozoa and bacteria (and floaties). It can be used with Sawyer bags (included with the filter) or with compatible water bottles (Smartwater is the bottle of choice for many hikers).

Halfway Anywhere
Media Mentions from Halfway Anywhere

MEDIA MENTIONS

SAWYER MINI WATER FILTER, $22 This has been my water filter of choice for years now. The bags can be iffy — I have had a few break – so carry a couple. However, the filter itself is reliable, light and inexpensive. -Logan

Bikepacking Team