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Description
potash fertilizer for plants Diamond K Ultra Fines Potassium Sulfate (Sulfate of Potash) Natural soil amendment | 0-0-50 Potassium fertilizer 10 lbsPremium Ultra Fine Sulfate of Potash (0 0 50) Diamond K's ultra fine sulfate of potash delivers 100% pure potassium sulfate in a fast dissolving formula that's perfect for professional growers and serious gardeners seeking maximum plant performance. Key Benefits for Your Crops Enhanced Plant Health: Provides essential potassium for stronger stems, improved disease resistance, and better stress tolerance Superior Soil Drainage: Improves soil structure
Premium Ultra-Fine Sulfate of Potash (0-0-50)
Diamond K's ultra-fine sulfate of potash delivers 100% pure potassium sulfate in a fast-dissolving formula that's perfect for professional growers and serious gardeners seeking maximum plant performance.
Key Benefits for Your Crops
- Enhanced Plant Health: Provides essential potassium for stronger stems, improved disease resistance, and better stress tolerance
- Superior Soil Drainage: Improves soil structure and water infiltration for healthier root systems
- Increased Yields: Promotes larger, higher-quality fruits and vegetables with better shelf life
- Fast Absorption: Ultra-fine particles dissolve quickly for immediate plant uptake
- OMRI Listed Organic: Certified for use in organic production systems
- Low Chloride: Safe for chloride-sensitive crops like potatoes, tobacco, and berries
Application Guidelines
Application Rate: 1-2 lbs per 1,000 sq ft or follow soil test recommendations
Coverage: This 4 lb bag covers up to 4,000 sq ft
Best Timing: Apply during fruit development, flowering, and stress periods
Mixing: Dissolves completely in water for fertigation systems
Technical Specifications
- NPK Analysis: 0-0-50 (50% Potassium, 0% Nitrogen, 0% Phosphorus)
- Potassium (K2O): 50% minimum guaranteed
- Sulfur (S): 18% minimum for improved protein synthesis
- Chloride: Less than 2.5% - safe for sensitive crops
- Particle Size: Ultra-fine mesh for rapid dissolution
- Source: Natural mined potassium sulfate
Perfect For
Ideal for vegetables, fruits, nuts, field crops, greenhouse production, and hydroponic systems. Works excellently with other products in our natural and organic fertilizer collection and pairs well with our pH management tools for complete nutrient programs.
Trust Diamond K Gypsum's decades of experience in providing premium soil amendments to professional growers nationwide.
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
4.2 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 2
Broke After 3 Months
Color: Tan
My cat liked this thing — that is, until she broke it. She would lean directly on the front of the arch until she knocked the whole thing over. Maybe my cat just rubbed against this way too aggressively. Maybe it wasn’t the best quality item. Maybe it was both. But regardless, after 3 months of barely any use, it finally broke. She somehow broke the base to the point where the arch could not be reinserted and we had to throw it away. Not cat proof, don’t recommend if you’re looking for something that lasts.
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Reviewed in the United States on September 6, 2022
★★★★★ 5
Fun Dog Toy, Relatively Durable, Looks Great, and Squeaker Isn't Annoying!
Color: Deep Green, Size: 10 IN
This is a fun and well-made dog toy that’s held up better than expected, especially considering my dog usually makes quick work of stuffed toys. He’s not the most aggressive chewer, but he’s definitely skilled at tearing things up over time, and this one is still going strong so far. The plush armadillo design is adorable and comes in a variety of color options, which is a nice bonus. It has your standard fluff type filling, and I really appreciate that the squeaker has more of that low grunting sound (like a pig), rather than a sharp, high-pitched one. It’s much less annoying to listen to during playtime. The 10" size was just right for my 45 lb dog, offering a good size for tugging and carrying around. Comfortable to hold, seemingly durable so far, and cute design. Seems to be a winner, would recommend!
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Reviewed in the United States on June 28, 2025
★★★★★ 5
Perfect size, cute, reasonably durable, and my dog loves it.
Color: Pink, Size: 8 IN, Color: Pink, Size: 8 IN
I ordered this for my 2year old, 55lb Staffy Pitt mix. She’s usually pretty rough on toys. She seems to either destroy them after 15 minutes, or, in a few instances, decides that she likes them enough to treat them more gently, in which they last for months or longer. I have no idea how she chooses, but in this case, she pretty much immediately ripped off part of an ear, but then, and since that time, has played and chewed on it without causing further damage. The toy is pretty adorable and looks and feels well made. It’s not constructed with a super durable material like some toys made for aggressive chewers are, but it’s also not marketed as a toy for aggressive chewers, so the material used is appropriate. The fabric feels dense and of a high quality, and the stitching looks to be of a high quality as well. I chose the 8-inch version in pink, and I’m happy with this size. It’s not too big, nor too small, and is easily portable. It arrived smashed up in a small bag, and I thought maybe it would be deformed when I took it out, but it wasn’t. It unfolded right away and then maintained its normal shape perfectly. Happy with this product, and after receiving it, I ended up ordering another, this time the 6-inch version, and while that is also a nice option, I like, and feel that the 8-inch version is a better deal. If this toy continues to last for a few more months, I would order another one, as my dog enjoys playing with it. It’s not her go to toy, but it is one of the few she keeps in playing rotation on a regular basis.
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Reviewed in the United States on September 12, 2024
★★★★★ 5
Luxurious Feel, Durable Build… but Full Rotation Privileges Have Been Revoked 💙🦴 🐾
Color: Blue, Size: 6 IN, Color: Blue, Size: 6 IN
🐾 Hi, I’m PVD; toy curator, plush critic & occasional chew sommelier.
This armadillo arrived beautifully packaged and immediately met my standards for texture, squeak clarity and cuddle factor. I originally gave it 5 stars for quality; and still do! But today I’m updating the review to reflect my current toy lifestyle rotation. 😌
What impressed me from day one:
✔️ High-end plush feel; soft enough to nap on, tough enough for energetic zoom bites and great relief from teething
✔️ Strong stitching; survived multiple “stress tests” (I chewed with intention)
✔️ HQ squeaker; not tinny or annoying, more of a honk
✔️ 6in is perfect size for small breeds; easy to carry during dramatic hallway walks
Why it now gets 4 stars from a seasoned toy collector:
✘ As my luxury toy collection expanded, this one gets grabbed less often
✘ Simple design; I now favor more interactive or complex textures
✘ Still “keep-worthy,” just no longer VIP spot on the chaise lounge
Best For:
• Pups who enjoy soft comfort toys or emotional support snuggles
• Light to moderate chewers
• Dogs who like to carry their plushes around proudly
• Ideal as a teething toy or thoughtful gift
🚫 Not ideal for: power chewers or highly stimulation-driven pups (like me now; my taste evolved)
📝 Final Re-Barks:
Still recommend for pups who love cuddly squeaky companions. Great starter plush and great quality; just know that ultra-picky toy enthusiasts may rotate it out once newer models (or squeakier friends) arrive.
— PVD (Plush Aficionado, Toy Rotation Director & High-Maintenance Household Icon) 🐶💁🏻♂️✨
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Reviewed in the United States on September 17, 2025
★★★★★ 5
Hollypet Gray is excellent
Color: Gray, Size: 14 IN
This GrayHollpet comes down the assembly line that produces a good product. It is tough and stays together Don't buy the brown one, it started to fall apart in less than 30 days.
These can be a good product!
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Reviewed in the United States on February 3, 2026
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