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Description
cornerstone herbicide rainfast 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
4.4 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Perfect pillow
Size: Standard (Mid Loft), Number of Items: 1
I like this pillow. Fits great for latex.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
★★★★★ 3
Very good
Size: Standard (Mid Loft), Number of Items: 1
Excellent pillow. Soft but medium support. Fell asleep on it right away and it stays cool. Like sleeping on a cloud.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 1, 2025
★★★★★ 5
A Good Night’s 💤
Size: Standard (Mid Loft), Number of Items: 1
I’ve bought many pillows over the years and this pillow is by far the best for me. I am a back and side sleeper. Finally wake up without a headache or neck discomfort. I bought the medium standard. Just the right consistency. Not to soft not to firm. Stay cool pillow.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
Confortable
Size: Standard (Mid Loft), Number of Items: 1
Excellent support. Always fluffy. It does have a smell but as recommended I let it air out for a day. I also washed the cover and had no issue.
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Reviewed in the United States on September 20, 2025
★★★★★ 5
So comfy
Size: King (Pack of 1), Style: Standard Loft (4" - 5")
I spent time looking up/watching videos on pillows for neck pain and this one comes up a lot. I’m someone that used to wake up every few weeks with a stiff neck so bad it could make me cry at work. I haven’t had that happen once after months of using this pillow. I look forward to laying my head down on it every night. It’s a luxury experience every time. I think what it does so well is maintain its shape. You can really squish it up how you want and it stays there even after hours. Moldable but somehow still firm. It’s expensive but to me the value is there because I no longer get crazy neck pain from sleep. Worth trying it out for sure. Btw I was stuck between this is and Purple brands couple top end options. I never got around to trying them because I tried this one first and was very satisfied!
Feb 2026. Still use it every night and it's still protecting me from neck pain I used to get from sleeping. It's held up amazing. Hope to use it for many more years.
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Reviewed in the United States on January 18, 2025
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