SKU: 34646213104
smash herbicide

smash herbicide Seedlingers Thatch Smash

Sale price$21.87 Regular price$24.30
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Ships within 48 hours · Estimated delivery Sep 21 - Sep 26

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Description

smash herbicide Seedlingers Thatch SmashSEEDLINGERS THATCH SMASH Granular Probiotic Lawn Revitalizer Smash thatch. Restore your soil. Energize your lawn. SEEDLINGERS THATCH SMASH is a powerful granular probiotic soil amendment crafted to break down thatch, aerate compacted soil, and give your lawn a fresh startwithout the need for intensive labor or machinery. Its biologically active formula immediately stimulates microbial activity to transform thatch into a natural soil energy source,

SEEDLINGERS® THATCH SMASH – Granular Probiotic Lawn Revitalizer

Smash thatch. Restore your soil. Energize your lawn.
SEEDLINGERS® THATCH SMASH is a powerful granular probiotic soil amendment crafted to break down thatch, aerate compacted soil, and give your lawn a fresh start—without the need for intensive labor or machinery. Its biologically active formula immediately stimulates microbial activity to transform thatch into a natural soil energy source, improving overall soil structure and turf health.

Ideal for lawns, grass areas, and turf fields, this product delivers fast, visible results after just one seasonal application.


🌿 Key Benefits

  • Breaks down thatch into a natural soil energy source

  • Loosens compacted soil for better aeration

  • Improves soil health with a probiotic-rich formula

  • Starts working from the first seasonal application

  • Great for residential lawns, grass, and sports turf


Great For

  • 🛠️ Lawn thatch remover

  • 🌱 Soil conditioner

  • 🦠 Granular probiotic fertilizer

  • 🔁 Thatch breakdown treatment

  • 💨 Lawn aeration aid


Directions for Use

  • Apply 5 lbs per 1,000 sq. ft. using a garden spreader

  • Water in thoroughly after application

  • Use on dry, actively growing turf, ideally in spring

  • Reapply up to 3x per season (spring, late spring, late summer)

  • Avoid application above 90°F, before rain, or near drains

  • Do not mow for 1–2 days after use

  • Sweep excess granules back onto lawn

⚠️ In Florida: Limit to 2 applications per year. Avoid use during winter. Always follow local turf and fertilizer regulations.


Active Ingredients

  • Calcium Carbonate

  • Urea

  • Ferrous Sulphate

Soil-Amending Additives:

  • 2.5% Humic Acid (from lignite coal)

  • 9.00% Lignin Sulfonate (water-soluble binder)

  • 0.50% Microbial Complex, including:

    • Cellulomonas fimi – 720,000 cfu/g

    • Cellvibrio gilvus – 720,000 cfu/g

    • Trichoderma reesei – 720,000 cfu/g

    • Pseudomonas putida, Penicillium bilaii – 720,000 cfu/g

    • Streptomyces griseus, coelicolor, Bacillus subtilis, licheniformis, pumilus, coagulans, amyloliquefaciens – various CFU levels

  • 84.50% Limestone (Inert, non-plant food ingredients)


📏 Available Sizes & Coverage

Size Coverage Area Form
10 Pound Bag 5,000 sq. ft. Granular
25 Pound Bag 12,500 sq. ft. Granular
40 Pound Bag 20,000 sq. ft. Granular

The Easy Way to a Healthier Lawn

No rakes, no dethatchers—just smarter soil science.
SEEDLINGERS® THATCH SMASH activates the biology in your soil to break down organic debris, aerate naturally, and help your turf thrive.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 34646213104

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4.2 ★★★★★
Based on 23 reviews
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Product Reviews
N
Verified Purchase
Nicholas
Waukegan, US
★★★★★ 5
Great base to add patches to
I've bought this jacket twice now (lost the first one...). Great base for my DIY patch jackets. I buy an XL even though it's a size too large for me. It's a standard denim jacket, not much to write home about. Good pocket size, and I appreciate the functional chest pockets.
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Reviewed in the United States on May 19, 2026
W
Verified Purchase
William Harwood
Pawtucket, US
★★★★★ 5
Great Wallet
I'm pretty particular when it comes to things that I need to carry at all times when I'm out. When looking for a new wallet back in 2014, I initially went with the oft recommended Saddleback Leather Medium Bifold. Initially, that wallet seemed to be both durable and well made. Unfortunately, after several months in the back pocket, two things became clear: first, the leather was so taught that it was breaking my credit cards in half at the pinch point of the credit card slot. Second, what I took for durability in the thickness of the leather quickly turned into nuisance as I ended up with an inch thick brick that ruined my seating comfort. I called Saddleback regarding the first point and they told me that it was a known issue and if I didn't like it I could send the wallet back, which I did. That left me at a crossroads with a new requirement: I wanted a leather wallet that was thin enough to not be uncomfortable, held 6 credit/id cards and a handful of bills. I searched around until I came across Bellroy. The travel wallet seemed to check all the boxes and added some features I never knew I needed. After 6 years of use, I finally decided that the original travel wallet I bought in 2014 had run its useful life, down to holes in the leather and all. I liked it so much, I bought another one. There are some subtle differences which I will highlight below. 1. Fits in Your Pocket This is ostensibly the best feature of the wallet. It is large in the two dimensions you shouldn't care about and thin where it counts. I have not found a pair of pants that I would wear that it doesn't fit in. With my passport, 6 credit/id cards, and a dozen bills it is roughly 3/4 inches thick. Fabulous. 2. The Right Pen I had no idea how useful the pen would be. I find occasion to pull it out at least once a week. I used to carry the wonderful Fisher Space Pen, but no longer do as this fills the role in a much for optimized way. Bellroy is kind enough to include an ink refill with every wallet and I still have the refill from 2014. That's not to delegitimize the previous point; the kind of things I write are forms and other short memos. I wouldn't use the pen to write a novel. The new wallet looks to have a pen that Bellroy have either white labelled or made themselves. I haven't yet written with it, but if it is at least as good as the Walkie it replaced, things should be fine. 3. Added Security The new wallet takes the split billfold and adds a flap that conveniently hides away the back section from prying eyes. In theory this seems like a useful feature. In practice, the flap is not quite long enough to allow for more than one or two bills without the cavity being visible when the wallet is opened. The new wallet also has RFID shielding which I don't recall being a feature of the old wallet. It sounds like a useful feature now that at least one of my credit cards has a contactless payment feature. 4. Leather It's a thin wallet so you should expect the leather to be thin as well. I got 6 years out of the first wallet and I'm not a guy who is easy on wallets. It has been in my pocket on rooftops doing solar installations, in machine shops, and on every kind of seat imaginable. My old wallet has been fully submerged in water more than once. With all that punishment, it outlasted the warranty by two times. None of the stitching has failed and the only real damage is two small holes in the outer leatherwork. If you are a business traveler, this should go out of style before it is rendered unusable from wear. In short, this is a great wallet for everyday use. I approve to the extent that I didn't look for a new choice when my old one wore out.
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Reviewed in the United States on March 15, 2020
M
Verified Purchase
MSPDX97214
Birmingham, US
★★★★★ 5
Very handy
Color: Sienna
I purchased it because I still use paper boarding passes. With luggage claim paper, your passport and ID card, things could get quite messy if you try to put everything in your bag or backpack’s compartment. This one organizes all those nicely. Because of its size it accommodates multiple boarding passes and luggage claim papers easily. (They used to get crumpled in international flights, and It annoyed me.). Yet it is compact enough to carry in your pocket. One negative is its price. It is expensive. But it is a quality product. Nice leather and well made. If you are willing to spend some $, this will spare you from searching your boarding pass and passport frantically at boarding. Highly recommend.
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Reviewed in the United States on July 4, 2025
J
Verified Purchase
JAD
Grantham, US
★★★★★ 5
Excellent product, great for travel
Color: Cocoa
I just got back from a business trip and this is by far the most useful passport holder/wallet I've ever used. Lots of room for cards, bills, boarding passes, and a second passport and still folds very flat. Leather is good quality, and is very well put together. Since its too big for my pocket and will mostly live in my briefcase, I expect it to last a very long time. The only drawback is the high price, especially since the leather is probably not full grain (it's not advertised as full grain, so we can assume it's not). But it fits my needs perfectly, even if it is a little overpriced.
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Reviewed in the United States on October 14, 2023
F
Verified Purchase
Faith K.
Fort Morgan, US
★★★★★ 5
Highly recommend.
Color: Cocoa
My favorite purchase for a recent trip across three continents. Fits in pocket (I mean it’s a tight fit, but it will fit). Perfect in cargo pant pocket. Has two separate compartments for paper bills which is nice - you can keep your home currency in one and travel currency in the other. Really sleek looking. Bought four of these and we all loved ours. Highly recommend. 
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Reviewed in the United States on July 15, 2025

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