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best post emergent herbicide Captain Jack's Lawnweed Brew Selective Post-Emergent Weed Killer (Home – Green Earth Ag & TurfIron Selective Weed Killers (For Spraying on Turf to Kill Only Weeds) Captain Jack's Lawnweed Brew (formerly Bonide Weed Beater Fe)* is a selective, broadleaf weed killers that kill only the weeds and not the desired turf. Similar to FIESTA, the specially formulated iron solution in Captain Jack's Lawnweed Brew is a game changers in the organic lawn care industry, a weed killer that does not contain toxic synthetic compounds. The choice of
Iron Selective Weed Killers (For Spraying on Turf to Kill Only Weeds)
Captain Jack's Lawnweed Brew® (formerly Bonide Weed Beater® Fe)* is a selective, broadleaf weed killers that kill only the weeds and not the desired turf. Similar to FIESTA, the specially formulated iron solution in Captain Jack's Lawnweed Brew is a game changers in the organic lawn care industry, a weed killer that does not contain toxic synthetic compounds. The choice of professional applicators, this iron-based weed killer leaves lawns healthy and weed-free, now in small, easy-to-use sizes!
Captain Jack's Lawnweed Brew works quickly, delivering visible same-day results, even in cool weather. With a unique ground breaking iron-based formulation, Captain Jack's Lawnweed Brew is highly effective and has no unpleasant odor. Pets and people can re-enter the treated area as soon as the spray is dry, the minimal period allowed by the EPA. Suitable for broadcast application (entire lawn) or spot treatment, Captain Jack's Lawnweed Brew helps your lawn look its best without toxic, environmentally-harsh synthetic chemicals. Now you can treat your own lawn with professional-grade results!
For larger concentrated formulas for your selective weed killer needs, check out FIESTA!
*Compared to Iron-X™ and Pulverize™ weed killer for lawns, Captain Jack's Lawnweed Brew are the same formulations available for much lower prices; but with the great technical service from the scientists at GrowItNaturally.com!
Bonide Captain Jack's Lawnweed Brew Benefits
- Liquid selective herbicide that effectively kills broadleaf weeds in the lawn.
- Works fast and weed control can be seen in the same day.
- Three benefits from one application – green-up, post emergent broadleaf weed control, and early post emergent crabgrass control (up to the four-leaf stage) per three years of data from Rutgers University.
- Made with iron, Does Not contain the synthetic weed chemicals 2,4-D or Dicamba!
- People and pets can enter treated area when spray dries.
- No unpleasant odor.
- Rain-fast in 3 hours.
- Effective even in cool weather.
- The exact same product ingredients as Iron X!™ Selective Weed Killer at about 1/8 the price!
Bonide Captain Jack's Lawnweed Brew Application Instructions
Bonide Captain Jack's Lawnweed Brew (Concentrate) Application Instructions
Large Areas (Broadcast Sprays):
- Add 5 oz. of Weed Beater Fe per gallon of water.
- Apply 2.5 gallons of water per 1,000 sq. ft. (or 12.5 oz. product per 2.5 gallons of water per 1,000 square feet).
- Repeat in 3-4 weeks for optimal knockdown of weeds.
Spot Sprays:
- Use 5 oz. of Weed Beater Fe per gallon of water and spray enough to wet weeds as needed.
Captain Jack's Lawnweed Brew Ready-To-Use Application Instructions
- Shake well before use.
- Do not dilute.
- Thoroughly spray weeds.
- Use a coarse nozzle setting to reduce drift.
- Repeat treatment in 3 to 4 weeks for best results.
Bonide Captain Jack's Lawnweed Brew General Application Notes
- Thoroughly spray weeds to point of runoff.
- Ensure turf is well watered prior to application.
- Do not apply when the daytime temperature will be below 50°F or above 85°F.
- Do not apply to bentgrass.
- Iron can stain some stone, concrete, clothes, equipment and other such things. Any desirable plants or structures accidentally contacted should be rinsed with water.
- Do not apply to stressed lawns, such as drought stress.
- Use standard spray equipment, with a coarse nozzle, such as a hand-held or backpack sprayer. Hose-End sprayers are not compatible.
- Repeat treatment in 3 to 4 weeks for best results and a longer-lasting weed kill.
- Occasionally a darkening of the grass leaf blades can occur; however the grass will recover within a few days to weeks.
- Allow 3 hours before rain or watering so the product can dry.
- Do not apply during windy conditions to avoid over-spray.
- May leave a rusty stain on concrete, pavers or other lightly colored areas; avoid such areas when spraying turf.
Bonide Captain Jack's Lawnweed Brew Ingredients
Captain Jack's Lawnweed Brew Ready to Use:
Iron HEDTA (FeHEDTA) ............ 1.5%
Captain Jack's Lawnweed Brew Concentrate:
Iron HEDTA (FeHEDTA) ............ 26.52%
Captain Jack's Lawnweed Brew Available Sizes
- 1 Quart Ready-To-Use Trigger Sprayer (Coverage Varies by Use).
- 1 Quart Hose-End Sprayer (Coverage Varies by Use).
- 1 Gallon Ready-To-Use Sprayers (Coverage varies by Use).
- 1 Pint Concentrate (Covers 1,250 Square Feet).
- 1 Quart Concentrate (Covers 2,500 Square Feet).
For larger concentrated formulas for your selective weed killer needs, check out FIESTA!
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4.7 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 3
Hard to review.
Format: Kindle
The good: It was the only book eligible for the Buzzworthy achievement for the summer reading challenge that I had any interest in and it's available on Kindle Unlimited, so YAY. There is also a very engaging quality to the writing to make it readable.
The bad: This is not, in my opinion, a whistleblower's memoir. There is too much fondness, nostalgia and pride in many of these stories. You can just tell that she's been using alot of this to regale others while working for FB and since leaving. Time and the totality of the experience haven't changed the fact that she clearly loved what she was doing and real whistleblowers are more jaded, cynical, burntout and/or betrayed by everything they've been through. I may have been wrong in expecting this to be a whistleblower's story, but if you're testifying before a Senate Judiciary Committee, like she did, I expect more whistleblowing. I also expect to feel more strongly about FB (the focus of the revelations) than the author, but I have so many notes and highlights that comment on the author because I already knew much of this and deleted my FB 10 years ago now, but I knew nothing about this person until reading the memoir. My impression is not good, but I still don't know anything to speak to them as a person. I will say that I was extremely frustrated early on by her "I'm just a random person from New Zealand" shtick. Randos don't get anywhere near the spaces that she had been, was currently in and was going to be in. The inability to see their own privilege and complicity makes it hard for me to feel anything really positive about this read.
I got my achievement badge, though, so there's that.
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Reviewed in the United States on July 21, 2025
★★★★★ 4
Valuable and Engaging Book but with Poor Timing - It's Our Fault, too.
Format: Kindle
If this is not enough reason for companies and individuals, with even a sliver of good judgement, to stop using all Meta products ASAP, I am not sure what is. Careless People is consistent with, builds upon and confirms what both the "Real Facebook Whistleblower," Frances Haugen (The Power of One) and Jeff Horwitz (Broken Code) have already brought us. While Wynn-Williams did not have the mountains of solid evidence that I believe made the work of Haugen and Horwitz more important, Careless People does provide an interesting perspective and more detail, not only on Meta's failures caused by the drive for more profit, but also the profound personality flaws of Meta's top people.
Assuming Careless People is reasonably accurate, Sarah Wynn-Williams is a very brave, resilient woman who wanted to do the right thing for Meta. She sacrificed way too much to help Meta when they did not deserve it. She offers a descriptive account of the difficulties she encountered in her role, including cases of bizarre sexual harassment and being sent to dangerous places all over the world. Even if these are exaggerated, the creativity she had in handling such situations makes the book so interesting to read. So many things went wrong for Wynn-Williams that would have caused many of us to give up, but she kept fighting (like Haugen).
While any book providing the reasons why we all need to stop using Meta products is good progress, I am disappointed that Wynn-Williams never mentions Haugen or Horwitz in the acknowledgments or gives them credit for paving the way. I would have expected this at a minimum, since those books have been out since 2021 and those authors have provided abundant proof of Meta's world-wide and excessive damage - 22,000 pages of such proof (see the "2021 facebook leak" on Wikipedia) . As of March 2025, Wynn-Williams had never reached out to either of those two, nor offered to collaborate with them. Jeff Horwitz has interviewed hundreds of former Meta employees. Wynn-Williams left facebook in 2017. So while she offers more detail about what was wrong at Meta, she seems too late. And without any credit to the others, especially Frances Haugen, who risked just as much, if not more than Wynn-Williams, it seems strange that Wynn-Williams would now finally come forward, suspiciously looking like an attempt to use their success towards her own. That part still needs to be answered.
The obvious lesson is that the 3 billion users of Meta products are "Careless," too. Nothing changes a company's behavior faster than when people stop using its products. For more than 6 years, since Roger McNamee published "Zucked: Waking Up to the Facebook Catastrophe" in 2019, we have known that Meta products suck the data out of users to sell it to anyone willing to pay for it. If you use any Meta products yourself and/or never bother to check that any website you are using, is sending your data to Meta with everything you click on (many tools are available to help you with this), but yet you claim to be an opponent of Trump, you have no one to blame but yourself. Meta gets away with the disastrous and horrific fallout of their carelessness BECAUSE WE LET THEM!
In fact, given what Wynn-Williams has brought us, along with the others before her, can't we simply conclude that it is POOR JUDGEMENT for any person or company to actually use Meta, Inc. products in 2025?
Meta is similar to the tobacco companies in the 70s who were not doing anything illegal (arguably still TBD for Meta). We all knew their products were dangerous, but so many continued to use them. Hopefully it will not take decades for people to change in this case. So unless there is some miraculously speedy and unprecedented exodus from Meta's user base, look for someone worse than Trump in the 2028 general election and 535 more of them in Congress now that the word is out that all you need are friends at Meta to get elected. Hang on because it's going to get much worse.
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Reviewed in the United States on April 12, 2025
★★★★★ 5
The modern Great Gatsby
Format: Hardcover
It is a very interesting (words) and depressing (reality) book to read. As a former Facebook employee, this book allows me to reflect my time at the company from a new angle, confirming some of the hypothesis I had, and shedding great insights into my experience. Thank you Sarah for sharing her story. We are all in this together.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Riveting, believable, depressing
Format: Kindle
Anyone who studies business recognizes the evolution. At the start, employees are comrades and customer's are wooed. Beyond a certain size, employees become line times and customers become commodities.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Fantastic series by a creative artist
Format: Paperback
Amulet, a graphic novel by Kazu Kibuishi (
,
), is geared towards the 9-12 age group. However, the novel will captivate anyone that begins to read it as they are swept along a moving story with beautiful illustrations.
Our young heroine Emily witnesses the death of her father in the opening pages of this novel. Emily, her mother, and her brother Nevin move into the home of their missing great grandfather. There are secrets lurking within the house, one that soon ensnares Emily's mom. She's dragged from the basement by a tentacle through an open door and Emily and Nevin must go on a rescue mission to another world.
This story captivates the reader from the beginning. The reader is compelled to feel for the characters of the story, from Emily witnessing the death of her father to watching her mom being dragged away by some unknown creature. Although this is only the first part of the series the reader gets a true sense of the characters, their feelings, and their emotions and is left hanging at the end of this book and wanting more.
What really sells the story are the illustrations as they capture and convey the moods of the characters and their surroundings. The drawings have a light airy quality to them, with a simple, but moody, color palette to show off the extensive use of shadows to convey emotions of the character in graphic detail. The reader is never left wanting or wondering what the characters are thinking, the colors clearly display what they feel--the age of the great-grandfather is written into the lines on his face, the fear and courage of Emily as she seeks to save her what's left of her family. As the story progresses a darker palette is used and we are left wanting the lighter colors to return. Something unique about the drawings is that when the story first begins the characters almost look undefined. While we can read their emotions they are merely shapes on a page. However, as the story progresses they gain more depth and emotion.
This novel is a must read. A strong young heroine, with monsters and robots as well, enough to keep any crowd entertained. The moving illustrations and compelling story make this a great read and the book is highly recommended for all ages.
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Reviewed in the United States on April 6, 2011