303 FABRIC GUARD WATER REPELLENCY TREATMENT– Springbar
How to Stop a Tent From Leaking – Scout Life magazine
Nikwax Spray-On Tent & Gear SolarProof 16.9 oz | Big Agnes
Amazon.com: Scotchgard Outdoor Water Shield, Water Repellent Spray for Outdoor Summer and Spring Gear and Patio Furniture, Fabric Spray for Protection Against the Rainy Spring Weather, 21 Ounces (2 Cans) : Everything Else