SKU: 29007647977

Bonide Captain Jack’s Liquid Copper Fungicide, Ready-to-Use, 32 oz

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Description

Bonide Captain Jack’s Liquid Copper Fungicide, Ready-to-Use, 32 ozCaptain Jacks Liquid Copper Fungicide RTU 32 oz Ready to use copper fungicide for organic gardening that controls listed plant diseases on flowers, fruits, vegetables, and ornamentals. Convenient 32 oz trigger spray applies directly to leaves and plant surfaces for preventative and curative treatment. Key Features: Organic Gardening Approved: Low concentration copper formula suitable for use in organic gardens Broad Disease Control: Helps manage

Captain Jack’s Liquid Copper Fungicide RTU – 32 oz

Ready-to-use copper fungicide for organic gardening that controls listed plant diseases on flowers, fruits, vegetables, and ornamentals. Convenient 32-oz trigger spray applies directly to leaves and plant surfaces for preventative and curative treatment.


Key Features:

  • Organic Gardening Approved: Low-concentration copper formula suitable for use in organic gardens
  • Broad Disease Control: Helps manage powdery mildew, downy mildew, black spot, blight, peach leaf curl, and more
  • Ready-to-Use Convenience: Pre-mixed quart bottle with trigger sprayer—no measuring or mixing
  • Season-Long Use: Effective for both dormant and growing season applications
  • Easy Application: Shake well and apply thoroughly to tops and undersides of leaves; repeat every 7–10 days as needed

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
Formulation Liquid copper fungicide
Application Type Ready-to-Use trigger spray
Container Size Quart (32 oz)
Use Sites Flowers, fruits, vegetables, ornamentals; home garden and lawn
Diseases Controlled Powdery mildew, downy mildew, black spot, blight, peach leaf curl, fruit rot, late blight, and more
Seasonality For dormant and growing season applications
Repeat Interval Every 7–10 days as needed
Organic Approval Approved for organic gardening

Frequently Asked Questions (FAQ):

Q: What plants can I use this on?
A: Use on listed fruits, vegetables, nuts, herbs, flowers, and ornamentals; check the product label for the full list.


Q: Is it safe for organic gardens?
A: Yes, it is approved for organic gardening when used as directed.


Q: How often should I apply?
A: Apply at first sign of disease or 2 weeks before it typically occurs, then repeat every 7–10 days as needed.


Q: Can I use it during harvest time?
A: It can be applied up to the day of harvest on listed crops; always follow label directions.


Q: Do I need to mix it?
A: No, this product is ready-to-use; simply shake well and spray.


Cultivate Lush, Healthy Greenery

This copper fungicide brings a refined, purposeful touch to garden care, preserving vibrant foliage and pristine blooms. I love the clean, ready-to-use sprayer—an elegant solution that keeps plant textures rich and leaf colors pure. Style it within a well-organized potting station, pairing the crisp bottle silhouette with terracotta and natural wood for a chic gardening vignette. It’s an essential for luxurious outdoor living, where beauty and wellness flourish together.


Protect your plants today with Captain Jack’s Liquid Copper Fungicide—ready-to-use, organic-approved control that keeps gardens thriving.

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: 29007647977

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4.5 ★★★★★
Based on 29 reviews
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R
Verified Purchase
R. Martin
Fort Morgan, US
★★★★★ 5
Easy to use. Stays sealed. Stays charged.
Size: 12 Combo Travel Size
I had previously bought packing bags in a store — the kind the you had to seal and then roll/squish the air out of one end of the bag. It really took 2 people to remove most of the air. I took them to Mexico, and they were just OK. I switched to these vacuum bags before our family ski trip. What a great purchase! This set includes multiple sizes, which worked well for both everyday clothes and bulkier cold-weather gear. They also fit well inside different size suitcases. One tip: Fill the bag, seal it shut, squish some air out, but then suck the final air out with the bag already inside your suitcase. You can "massage" the clothes and guide how the bag flattens out for a really efficient use of your suitcase space. The organization you can achieve is really impressive. The bag material and valve is tough enough to not allow any air leaks. The red "glides" they provide make sure the seal is solid and easy to achieve. And the system is simple enough that I suspect that elementary kids or people with lower dexterity could operate it (my teens certainly had no issues packing themselves). After returning home, I folded all the bag along their original fold lines, charged up the "sucky thing" (which still held 75% of it's charge after being used at least 20 times), and tucked it all neatly in our travel drawer, ready for our international trip next month. Great value. High quality. I'd even go so far as to say they're fun to use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 27, 2026
G
Verified Purchase
Gail
Whiting, US
★★★★★ 5
Travel bags
Size: 12 Combo Travel Size
Perfect packing bags. I’m using them for a trip to Alaska. The pump works easily . I tested them out and the air retention is perfect.? They are not too thick and will not take up space. The material seems like it will hold up without ripping. I will be using them often. They come in different sizes which work perfectly with different items.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
E
Verified Purchase
Eric Hansen
Chelsea, US
★★★★★ 5
These are a travel must!
Size: 15 Combo Travel Size
We recently took a trip to Japan and South Korea with our 3 kids, and needed to bring all their clothes for 2 weeks, with as few suitcases as possible. These bags were a life saver! We were able to fit so much more stuff in our suitcases with these bags. I don’t know how we would have brought everything without them. We would have had to bring at least one, probably two suitcases more. Easy to use - the vacuum is compact so you can bring it with you, but super powerful and works quickly. Remember to charge it after you use it for when you pack back up. But, you can manually push out the air as well if you’re in a pinch.
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Reviewed in the United States on May 4, 2026
C
Verified Purchase
Cameron Byers
West Palm Beach, US
★★★★★ 4
More pros than cons, very convenient, but durability is an issue.
Size: 15 Combo Travel Size
Pros: I think that this is a good product. I've had it for several weeks and travel every week for work. It's a good design and the vacuum pump is ergonomic and reliable, in my experience. Charges relatively quickly at home and I'm not sure how long the charge lasts, because it's convenient with a USB-C port, so I charged whenever the charge got to 3 bars. My experience is that dress shirts maintain the pressing if folded and packed neatly. They're creased, but hang them in the hotel bathroom and the steam from a shower loosens the wrinkles nicely. Cons: durability. The bags are pretty thin and after 3 or 4 trips the seal in the bag(s) can become compromised. I suspect the leaks are tiny and in the actual bag vs. the seal. With regular use, this was in only two of the fifteen bags. The double zip lock is really durable. FOR CAMPING: they were great for motorcycle camping, however the durability became an issue. I was camping along a lake and took some care with the bags, but admittedly was a little harder on them than I could have been. I took extra bags just in case, and am glad I did. Three of the 6 bags I took slowly lost the vacuum. If you're using them for camping, pack extras. They're inexpensive enough to continue to buy replacements periodically and you do get a lot. TIPS: pack the vacuum in the suitcase with the bags. Pack the bags with a complete outfit for each day. The temptation is to pack shirts in one bag, socks/underwear in the other, etc. It's more difficult to repack dirty clothes that way, but if you have each day in its own bag you just use each one for a dirty laundry bag.
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Reviewed in the United States on May 19, 2026
J
Verified Purchase
Jaime R.
Natrona Heights, US
★★★★★ 5
Absolutely Perfect?!!
Size: 15 Combo Travel Size, Size: 15 Combo Travel Size
AMAZING!! This made packing soooo easy and such a breeze!! My suitcase was organized & I had everything that I needed for my trip. It has a great suction & comes with several red strips (I’ll call them) to ensure a tight seal before suctioning the air out. The bags comes on several different sizes & hold quite a bit of items in the big bag which held out hoodies & sweatsuits. Vacuum it’s not loud at all. Lightweight but packs power. This is a game changer! Very durable & great quality!! I’d highly recommend this item.
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Reviewed in the United States on May 3, 2026

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