Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
non ionic surfactant herbicide Rainfast® Surfactant/Wetting AgentThe 100% active ingredient, a non ionic surfactant to enhance ag chemical performance through rain fastness, leaf wetting, and stomatal flooding We cannot ship this product into: AR CA DE ID MS PRODUCT INFORMATION Produces rain fastness, leaf wetting, and stomatal flooding Maximizes performance of pesticide and foliar fertilizer applications. Keeps your solutions on target plants and produces stomatal flooding. Does an unbeatable job in water based
The 100%-active ingredient, a non-ionic surfactant to enhance ag chemical performance through rain-fastness, leaf wetting, and stomatal flooding
We cannot ship this product into: AR CA DE ID MS
PRODUCT INFORMATION
Produces rain-fastness, leaf wetting, and stomatal floodingMaximizes performance of pesticide and foliar fertilizer applications. Keeps your solutions on target plants and produces stomatal flooding. Does an unbeatable job in water-based sprays and with fungicide applications. Six to 12 ounces treats 100 gallons of spray solution; 1 gallon treats 1,100 to 2,100 gallons of spray solution.
- Improves pesticide efficiency
- Produces superior leaf wetting, spreading, and penetration
PRODUCT FEATURES
What are the usage rates for Rainfast?Usage rates are:
- 6-12 ounces per 100 gallons of solution
- 1 ounce per 100 gallons in foliar fertilizers.
Depending upon pesticide labels, apply 6-12 ounces per 100 gallons of water.
Follow pesticide labels carefully for specific use recommendations with post-emergence herbicides.
What is Rainfast?
Rainfast is a highly effective nonionic surfactant/wetter/spreader penetrant, based on chemistry that provides superior leaf wetting, spreading and penetration of spray solutions.
You can maximize the performance of pesticide or foliar fertilizer sprays by keeping the solution on target plants. Rainfast produces rain-fastness quickly. Follow the chemical label for usage rates.
File Downloads
Rainfast Safety Data Sheet (Size: 168.8 KB)
Rainfast Sell Sheet (Size: 189.1 KB)
Rainfast Spec Sheet (Size: 83.3 KB)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 2315 reviews
Sort
Product Reviews
★★★★★ 5
Highly recommend for face sunscreen care!
Style: SPF 30, Size: 1 Fl Oz (Pack of 1)
A great choice for waterside sun protection. Rolls on smoothly and protects your skin from sun. As someone with sensitive facial skin I was relieved to find no issues after applying for a week straight. I plan to keep this product regularly on hand.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
★★★★★ 4
Expensive but good
Style: SPF 30, Size: 8 Fl Oz (Pack of 1)
It's not the best for your skin but it works and doesn't leave white cast and is nice and easy to apply to the skin. It smells good too but youll run out quick and have to buy more. Lasts like a month or something if you are apply to face, neck, arms, legs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 2, 2025
★★★★★ 5
Compact, easy to use
Style: SPF 30, Size: 1 Fl Oz (Pack of 1)
Easy to pack in a purse or your hiking bag, smells and works great, no white residue.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
★★★★★ 5
One of my favorite Sunscreens
Style: SPF 30, Size: 3 Fl Oz (Pack of 1)
This sunscreen is great. When applying, I am very pleased at how easy it is to spread and soak into my skin. It also stays on during the day and also whenever I get in the water. I love the smell as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
★★★★★ 5
Item As Described
Style: SPF 30, Size: 8 Fl Oz (Pack of 1)
Great product. Smells like the beach. The only thing I dislike about it is that it didn’t have a safety seal.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026