SKU: 89619911031
optica herbicide

optica herbicide Quali-Pro® Prodiamine 4L Pre-Emergent Herbicide

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Description

optica herbicide Quali-Pro® Prodiamine 4L Pre-Emergent HerbicideQuali Pro Prodiamine 4L is a professional grade liquid pre emergent herbicide designed to provide season long control of many annual grassy and broadleaf weeds. Formulated with 40. 8% prodiamine, this flowable concentrate helps prevent weeds from establishing by stopping newly germinating seeds before they develop. Ideal for use on established turfgrass, lawns, ornamentals, sod farms, and Christmas tree farms, Prodiamine 4L helps control problem weeds

Quali-Pro® Prodiamine 4L is a professional-grade liquid pre-emergent herbicide designed to provide season-long control of many annual grassy and broadleaf weeds. Formulated with 40.8% prodiamine, this flowable concentrate helps prevent weeds from establishing by stopping newly germinating seeds before they develop.

Ideal for use on established turfgrass, lawns, ornamentals, sod farms, and Christmas tree farms, Prodiamine 4L helps control problem weeds such as crabgrass, annual bluegrass, chickweed, henbit, knotweed, foxtail, and spurge. Its low solubility and low volatility allow it to remain in the weed germination zone for extended protection. This formulation provides reliable performance with low use rates and a low-staining formulation.

Product Details

  • Professional liquid pre-emergent herbicide for turf and ornamental areas

  • Contains 40.8% prodiamine (4 lb per gallon)

  • Provides season-long control of many grassy and broadleaf weeds

  • Controls weeds such as crabgrass, Poa annua, chickweed, henbit, foxtail, spurge, and knotweed

  • Low solubility and volatility help keep the product in the weed germination zone

  • Low-staining formulation

  • Suitable for lawns, landscape ornamentals, sod farms, and Christmas tree farms

  • Economical alternative comparable to Barricade® 4L

How It Works

Prodiamine 4L works as a pre-emergent herbicide by inhibiting cell division in newly germinating weed seeds. This prevents weeds from establishing in treated areas.

For effective activation, approximately 0.5 inches of rainfall or irrigation is required after application to move the product into the soil where weed seeds germinate.

Application Information

  • Mixing Rate: 0.3 – 1.1 oz per 1,000 sq. ft.

  • Apply using a low-pressure sprayer

  • Minimum spray volume: 20 gallons per acre (0.5 gallons per 1,000 sq. ft.)

  • May be tank mixed with other labeled herbicides (see label for details)

Target Weeds

Controls many grassy and broadleaf weeds, including:

  • Crabgrass

  • Annual bluegrass (Poa annua)

  • Foxtail

  • Knotweed

  • Chickweed

  • Henbit

  • Spurge

  • Additional weeds listed on the product label

Specifications

Active Ingredient: Prodiamine 40.8%
Formulation: Liquid (flowable concentrate)
Container Size: 2.5 Gallon
Manufacturer: Control Solutions
Use Sites: Established turfgrass, lawns, sod nurseries, ornamentals, and Christmas tree farms
Restrictions: Not for use on golf course putting greens

Important Use Information

Do not graze or feed livestock forage from treated areas. Do not apply to plants intended for food use. Do not apply aerially or through irrigation systems unless specified on the label. Do not apply to golf course putting greens. Always follow all directions, restrictions, and precautions listed on the product label.

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: 89619911031

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4.4 ★★★★★
Based on 21 reviews
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Kelly
Carnegie, US
★★★★★ 4
Time btwn brews
Color: Sterling Silver
Love the sleek look and just the right size for counter top. Makes a great cup and foaming wand is great. Be sure to let first stream of water out before frothing. Definitely need a napkin or towel handy. Only one drawback I can see so far. After making an espresso it takes a bit of time to cool down before it allows you to brew next one. There’s two of us so we need to stagger our espresso making. Espresso could also be a bit hotter. All in all it’s a nice machine and does the job.
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Reviewed in the United States on December 5, 2025
C
Verified Purchase
Christopher Godshall
Boise, US
★★★★★ 5
A Great Price for Great Machine
Color: Sterling Silver
I have been brewing my own espresso at home for over 20 years which means I have gone through a significant number of machines. I never purchased anything "high end" - never spent more than $140. THIS machine, for $137.79, is a GEM. I can make TWO double espressos, back-to-back without turning off the machine, and there's STILL plenty of power in the pump, and the temp remains stable - no temperature loss AND no overheating. How do we do this? We pack the LARGE basket with expresso, then hit the DOUBLE-cup once, and then a second time. AND THEN there's still plenty of power in the pump and heat to steam the milk! This means that the two of us can drink our coffees together at the same time. ALL the other machines that I used over the last 20 years, were never able to do this, because the pump would be played out after one brew, or the heater would drop in temperature OR overheat. That means one person drinks coffee while the other has to wait for round two. But GEVI changed all that. Great price for a great espresso machine!
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Reviewed in the United States on March 4, 2026
R
Verified Purchase
Rempowersports
Boise, US
★★★★★ 5
Great machine. Great value
Color: Sterling Silver
Love it! Works great. Highly recommend. I have used it daily, for 4 people for months now.
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Reviewed in the United States on May 5, 2026
A
Verified Purchase
Amazon Customer
Charlottesville, US
★★★★★ 5
Great compact espresso machine
Color: Sterling Silver
This is a sturdy little espresso machine, not cheap plastic. I appreciated the fact that an insteuction booklet came with it, and that all of the insteuctions were clear and easy to follow, especially the first use steps. For a non-instant machine, it made a double very quickly. That looked, smelled, and tasted exactly as espresso should. All this for a very reasonable price, so I am very happy with my purchase.
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Reviewed in the United States on May 30, 2026
C
Verified Purchase
CampnNut
Waukegan, US
★★★★★ 4
Excellent For Beginners!
Color: Sterling Silver
This little guy is easy to operate, and the instruction manual is well laid out (with the exception of spelling errors). I did watch a video where the individual recommended buying a sturdy tamper (which I did, the plastic one this machine comes with is well, cheap - but functional). I was excited for the hot water feature, but as the video guy explained, and I experienced, it takes a while and a bit of patience to get six ounces from this machine because it comes out in spurts. Not a deal breaker - I just heat water in the microwave while my espresso is perking, but it is an area that could be improved upon. I haven't used the frothing wand for milk since I like my espresso sans milk. The water receptacle is roomy, and I love the pressure gauge. The stainless steel shows fingerprints, so if you are OCD/ADD, this may bug you, but I'm picking my battles these days. The other thing I love is the removable base. That allows me to fit my favorite mug directly under the spouts. For me, the learning curve was gentle. And once I got the upgraded tamper, I was sipping coffee shop quality coffee w/o leaving my home.
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Reviewed in the United States on May 20, 2026

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