15 30 15 fertilizer for plants Jack's® Nutrients 7-15-30 Finish Fertilizer – Greenhouse Megastore
SKU: 98487553663
15 30 15 fertilizer for plants

15 30 15 fertilizer for plants Jack's® Nutrients 7-15-30 Finish Fertilizer – Greenhouse Megastore

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Description

15 30 15 fertilizer for plants Jack's® Nutrients 7-15-30 Finish Fertilizer – Greenhouse MegastoreJack's 7 15 30 Finish Fertilizer is a specialized formula designed to support robust flowering, fruiting, and overall plant health, allowing growers to achieve optimal results during the final stages of their crop cycle. With a carefully balanced composition, this nutrient blend offers a low nitrogen content, high phosphorus content, and an abundance of potassium. Nitrogen By emphasizing a low nitrogen content, Finish ensures that plants receive

Jack's® 7-15-30 Finish Fertilizer is a specialized formula designed to support robust flowering, fruiting, and overall plant health, allowing growers to achieve optimal results during the final stages of their crop cycle. With a carefully balanced composition, this nutrient blend offers a low nitrogen content, high phosphorus content, and an abundance of potassium.

Nitrogen
By emphasizing a low nitrogen content, Finish ensures that plants receive minimal amounts of this nutrient. While nitrogen is essential for vegetative growth, excessive nitrogen during the later stages can negatively impact flowering and fruiting. By reducing nitrogen levels, this formula allows plants to shift their energy towards the production of robust blooms and bountiful fruits.

Phosphorus
The high phosphorus content in Finish plays a vital role in supporting flowering and fruit development. Phosphorus is crucial for promoting strong root growth, enhancing nutrient uptake, and stimulating flower formation. By providing ample phosphorus, this formula helps plants develop healthy and vibrant flowers, resulting in improved yields and overall crop quality.

Potassium
A significant amount of potassium, also known as potash, is essential for various plant functions, including the regulation of water uptake, enzyme activation, and overall plant vigor. By providing plants with an abundant supply of potassium, this formula helps them maintain optimal hydration, nutrient balance, and overall resilience throughout the final stages of their growth cycle.

Note: The amount of dye used in Jack’s Nutrients formulas has recently been reduced to nearly zero. As a result, products that were previously bright blue may now appear white or tan. This color change is normal—no other changes have been made to the fertilizer formula or its performance.

Benefits of Jack's® 7-15-30 Finish FeED

  • Specifically formulated for plants in their final stages of growth.
  • Low nitrogen content prevents excessive vegetative growth.
  • High phosphorus content promotes strong root growth and flower formation.
  • Abundant potassium supply for optimal hydration and nutrient balance.
  • Supports robust flowering, fruiting, and overall plant health.
  • Helps plants finish strong and achieve optimal results.
  • Tailored nutrient blend for a successful crop cycle.

Physical and Chemical Properties:

Physical State: Solid
Appearance: Crystals
Color: Light Blue
Odor: Slightly yeasty
Solubility: Highly soluble in water
Relative Density: 55-75 lbs/ft3

Guaranteed Analysis:

Total Nitrogen (N) 7.0%
3.0% Ammoniacal Nitrogen
4.0% Nitrate Nitrogen
Available Phosphate (P₂0) 15.0%
Soluble Potash (K₂0) 30.0%
Magnesium (Mg) 2.0%
2.00% Water Soluble Magnesium (Mg)
Sulfur (S) 9.7%
9.70% Combined Sulfur (S)
Boron (B) 0.2%
Copper (Cu) 0.05%
0.05% Chelated Copper (Cu)
Iron (Fe) 0.07%
0.07% Chelated Iron (Fe)
Manganese (Mn) 0.05%
0.05% Chelated manganese (Mn)
Molybdenum (Mo) 0.002%
Zinc (Zn) 0.05%
0.05% chelated zinc (Zn)

Derived from: Potassium nitrate, monopotassium phosphate, ammonium sulfate, potassium sulfate, magnesium sulfate, iron DTPA, iron EDTA, manganese EDTA, zinc EDTA, copper EDTA, boric acid, ammonium molybdate.
Potential Acidity: 228 lbs. of calcium carbonate equivalent (CCE) per ton.

WARNING: This product contains Molybdenum (Mo) and may be harmful to ruminant animals foraging on crops where applications have been made.

Note: It's important to follow the manufacturer's instructions and guidelines for proper application and dosage based on the specific needs of your plants.


Additional Information

Safety Data Sheet (PDF)
Nutrient Decision Tree (PDF)
Nutrient Schedule for Pure & Simple (PDF)
Nutrient Schedule for City Limits (PDF)
Nutrient Schedule for Jack's 3-2-1 (PDF)
Nutrient Schedule for Outdoor Production (PDF)
Nutrient Schedule for Fruiting Crops (PDF)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 98487553663

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Samz
Alexandria, US
★★★★★ 4
queen of Plot Twists.
Format: Kindle
Ngl, I didn’t like the way this one ended. I wonder if they’ll be a continuation or something like that. I need answers. This is the first book that I felt like I didn’t get closure from. lol. But it was a good book. And the plot twist came outta nowhere. I was reading and reading and reading and I’m like what the heck and then I was like OH DAMN! Then it just kept hitting lol. PART 2 FREIDA!!! I have questions still.
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Reviewed in the United States on May 31, 2026
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Kirby Puffenbarger-Sowers
Alexandria, US
★★★★★ 5
Freida does is again! Outstanding Read!
Format: Kindle
I went into The Divorce expecting twists, suspense, and plenty of jaw-dropping moments—because that's what Freida McFadden always delivers. Somehow, she still managed to exceed my expectations. From the very first chapter, I was completely hooked. Every time I thought I had figured things out, the story took another turn and proved me wrong. The pacing was relentless, the tension kept building, and I found myself saying "just one more chapter" far too many times. What I loved most was how cleverly everything came together. The twists felt shocking without being forced, and the ending left me stunned in the best possible way. Looking back, all the clues were there, but I never saw the full picture until it was revealed. This is easily my favorite Freida McFadden book so far. It's addictive, suspenseful, and impossible to put down. If you enjoy psychological thrillers that keep you guessing until the very end, this one is a must-read. Freida has done it again—and somehow raised the bar even higher. Highly recommend!
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Reviewed in the United States on May 30, 2026
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Kim Huckins
Chelsea, US
★★★★★ 5
Freida does it agai!
Format: Kindle
I loved everything about this book. I love that every book Freud's writes, I am never right about the ending there is always an amazing totally unexpected twist that blows your mind! Highly recommend to EVERYONE
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Reviewed in the United States on May 31, 2026
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Rhea
Birmingham, US
★★★★★ 4
Calling all Freida Fans!!!
Format: Kindle
4.5 stars!!!! Mrs. Freida McFadden Fans!!! This book was soooooo good!!! I started reading last night thinking I will read a few chapters before bed. Well, it is 2am 😊 so, I couldn’t put it down. All the characters are despicable…but it a good way. I had this one figured out; I did, and BAM! No I didn’t…then, twist after twist after oh s*** twist!!! Poor Ezra…sweet little Teddy….the rest, all despicable, but like I said; in such a wonderfully twisty way!!! Naomi husband decides out of nowhere he wants a divorce. She later finds out there “is” another woman; Veronica. Their son Teddy gets shuffled back and forth from Jeremy's house to Naomi’s apartment, and……
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Reviewed in the United States on May 28, 2026
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E.M. Bristol
Alexandria, US
★★★★★ 5
Addictive as almond M&M's
Format: Paperback
I once read a book that blew the whistle on the abuses in the system that produces young elite figure skaters and gymnasts. One mother said of another mother that she was very likeable, but she'd cut your throat behind your back. That describes a lot of Freida McFadden's heroines (and their besties) to a t. At least one of the following always occurs in these novels. 1. If someone says, "Eh, I'm sure it's nothing," it's not. If someone believes their husband is too busy working to have an affair, he isn't. If someone suspects a knife is missing from the block, it is. 2. If a child or teen bitterly complains of being a victim of peer conflict, there's a good chance he/she is the instigator. They may even have committed or assisted in a murder in the past. 3. At some point, you will be told point blank that the character you have just spent a good chunk of the book with is the polar opposite. And even if you're familiar with the books, it may come as at least a partial surprise since this doesn't occur in most novels. 4. Everyone in the book has a secret, even if it's just hair dye. 5. There's also what I call the "Cold Case" rule: Don't argue near stairs. Ever. But I digress. At first, happily married to a great guy Naomi Roth doesn't really protest when her husband Jeremy, after having changed the locks, insists that she go and stay at the apartment he bought for his now-deceased parents. She believes, despite a few stray doubts, that he is telling the truth when he says that it's just renovations and that it will be better this way - and he's even thoughtfully packed for her. However, soon after that, Naomi is told in no uncertain terms that Jeremy wants a divorce, which makes her a pariah with her fellow mothers, except one. Is her husband having an affair, and if so, what secrets does his mistress have? And who the heck committed the murder in the preface (there's almost one in every book, so it isn't much of a spoiler)? As always, the author makes writing fiction look effortless, which if you've actually sat down to write some, know it usually isn't. Another addictive read.
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Reviewed in the United States on May 27, 2026

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