SKU: 98487553663
15 30 15 fertilizer for plants

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

Sale price$19.42 Regular price$21.58
Save 10%

Pay in installments of $5.39 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

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:
  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: 98487553663

Discover Niche Categories That Outsell 15 30 15 fertilizer for plants

Top-Converting Item to Boost Your Average Order

4.6 ★★★★★
Based on 7 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
M
Verified Purchase
M
Natrona Heights, US
★★★★★ 5
All in one heavy duty charging brick
Love that this charger has a metal housing — it feels heavy-duty and well-built in a way most charging bricks don’t. Charges fast, handles a laptop, a phone, and a tablet at the same time without breaking a sweat, and the foldable prongs make it actually travel-friendly. 65W is the sweet spot for daily life: enough to power a MacBook Air or Pro, plus charge two more devices. Pros: • Solid metal build feels premium • 65W is plenty for laptops, tablets, and phones • Three ports (2 USB-C, 1 USB-A) • Foldable prongs for travel • Compact for the wattage Cons: • Heavier than plastic chargers (the trade-off for the build) • Maxing out all three ports splits the wattage, so not everything fast-charges simultaneously Tips: • Use a high-quality USB-C cable to actually hit fast charging speeds • For laptop charging, plug into the top USB-C port for max output • Great single-charger replacement for travel — covers laptop, phone, and tablet in one brick
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
A
Verified Purchase
Anonymous
Whiting, US
★★★★★ 5
100% would recommend, FAST and PORTABLE
The Anker 65W 3-Port Fast Compact Foldable USB-C Charger is a really nice charger overall. It has foldable prongs and 3 different ports, which makes it super useful for charging multiple devices at once, especially for college students or travel setups. It’s also really portable and easy to throw into a backpack but hefty in quality. The charging speed is excellent too. I can charge my MacBook from around 30% to 65% in about an hour. It does get a little warm while charging, but it cools down well and has never been an issue for me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
R
Verified Purchase
Ray
Massapequa, US
★★★★★ 5
Compact, lots of power, great for travel.
I tested it at full power. It does what its advertised to do. At full power it does get fairly warm, not near warm enough to be a hazard. It can't be covered up, It may overheat if it's covered with stuff. I got it for travel. It will charge my computer, tablet and phone just fine. It shares the 65W, so charging of each device may slow as you plug in more devices
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
W
Verified Purchase
Will
Cuba, US
★★★★★ 4
Sticks out a lot.
Nice and reliable no problems so far. but does stick out the wall more than other models.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
R
Verified Purchase
RobSauce
Phoenix, US
★★★★★ 5
The Only Charger You’ll Ever Need!
The Anker 735 Charger (GaNPrime 65W) is a total game-changer for anyone tired of carrying multiple "bricks" for their laptop, phone, and earbuds. It packs a massive amount of power into a surprisingly small, foldable design. What I liked: True All-in-One: With two USB-C ports and one USB-A port, it can fast-charge a MacBook Air, an iPhone, and AirPods all at the same time. Intelligent Power Allocation: It uses PowerIQ 4.0 technology, which automatically detects the power needs of each connected device and adjusts the output in real-time for the fastest possible charge. Ultra-Compact: Thanks to GaN (Gallium Nitride) technology, it is about 53% smaller than a standard 67W laptop charger. The foldable plug makes it perfect for tossing into a travel bag or pocket. ActiveShield 2.0: I really appreciate the peace of mind that comes with its advanced temperature monitoring, which checks the heat over 3 million times a day to protect your expensive devices. Note: To get the full 65W speed for your laptop, make sure you are using a high-quality USB-C cable rated for 100W! Whether you’re working from a coffee shop or traveling internationally, this is the most reliable and efficient charging block on the market. It’s a bit of an investment, but the build quality and convenience are worth every cent.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026

recommand products