Details
Mills Nutrients Ultimate PK is a powerful heavy weight bloom booster designed to be used the last 2 to 4 weeks of the flowering stage. The superior composition of ULTIMATE PK provides the plant with all the nutrient needed during ripening for more abundant fruit set, hard cell structure and the best possible flavor and aroma. Use at 8 ml per 1 Gallon the last 2-4 weeks of the bloom stage (Discontinue use of C4 when ULTIMATE PK is introduced). ULTIMATE PK is the “ultimate” bloom booster on the market today! Compatible with all growing medium and watering methods.

Powerful Flowering Nutrient and late stage Bloom Booster, use during last 2-4 weeks of flowering stage for more abundant fruit set, hard cell structure and the best possible flavor and aroma.

Mills Nutrients are the least expensive premier nutrient line for high quality plants. Mills Nutrient line is simple with only 5 bottles. Use the Mills nutrient line of Basis A, Basis B, Start-R, Ultimate PK, and C4.

Free Shipping rates apply to the lower 48 contiguous states. Contact Us to get shipping cost to your area if not in the lower 48 states before purchase.

We ship all items discreetly
Whether you are a novice gardener or a mad scientist in the greenhouse, you will find a plethora of inventory and knowledge at the Spokane Organic & Hydroponic Supply centers. Our first store opened its doors in 2006 when Paul and mother Susan, both avid and life-long gardeners, joined together to share their passion and gardening experiences with the Spokane community. In 2010, Susan moved on to pursue other endeavors while Paul continued to expand the business.
Each of our two stores employ experienced staff members with traditional garden expertise and modern industry knowledge. With real-life experiences, our plant experts know the challenges of outdoor and year-round gardening and strive to help customers eliminate avoidable mistakes. Our alternative and earth friendly stores we have created will leave you with a sense of empowerment to develop your own efficient methods of growing and caring for plants. We look forward to your visit and hearing the plant stories you have to share with us!

We ship daily Monday - Friday. All orders will be shipped within 3 to 5 working days. Most will go within 24 hours. You will automatically receive a tracking # via email once we have shipped your order.
All domestic orders will be shipped by UPS, Fedex ground, USPS priority mail or USPS ground. If you need to use a special carrier i.e. PO BOX w/ USPS, please email us and let us know.
We will only ship to the address provided during payment.
We are not responsible for any packages that are lost or damaged if insurance is not purchased.
Shipping and handling rate is fixed and non-refundable.
Free Shipping rates apply to 48 contiguous United States.
Contact us for shipping cost to your area.
No returns
No returns are accepted on any nutrients and fertilizers
Be sure the item is what you want because of the no return policy 
Pictures may be different then product sold
We ship all items discreetly

Satisfaction :
Discreetly labeled, Professionally packaged, shipped as fast as possible with care read the feedback for proof. Our prices are competitive but the service is Priceless! We know how to ship liquids with no leaks and 100% satisfaction guaranteed.
Your satisfaction is very important to us! If you have any problem with your order, please do not leave negative comments.
Please Contact us ... we will help you out!
In the unlikely event that the item is sold out from our stock or on back order, we will contact you to see if you want to wait a few days or we will refund 100% of your money. YOUR choice.

Occasionally items sell from our brick and mortar store front before we are able to pull down our listing or adjust quantities. We try our best to fulfill these orders in a timely manner if possible. These cases are very rare, we will let you know as soon as possible and refund your money.