There are certain compounds of nutrients that you do not want in your final product. By flushing your plant with plain water before harvest, it will force it to use up these unwanted compounds which will result in a cleaner product.
Plant Flush will stop any further intake of nutrients through the roots and will cause the plant to only use the nutrients stored within the plant.
This will greatly reduce the amount of time you need to flush your plants in order to achieve a cleaner end product!
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AVAILABLE SIZES

KEY FEATURES
✓ Works as a cleaning agent for your hydroponic and aeroponic systems
✓ Can be used to treat over fertilization
✓ Cuts off nutrient supply from the roots to force the plant to use up nutrients in the plant
✓ Works alongside and in addition to all industry leading manufacturer feed schedules
✓ Concentration of active ingredients on par with competitor brands
✓ Works for all grow media and methods
Product Comparison:
- General Hydroponics: Flora Kleen
- Advanced Nutrients: Flawless Finnish
- GroTek: The Final Flush
SAFETY DATA SHEET (SDS)
Customer Reviews
DOMESTIC SHIPPING POLICY
The Future Harvest online store ships all over Canada and the United States from Canada. We also have a distributor in the United Kingdom, The Growers Wholesale. CLICK HERE for a list of our distributors.
All orders are processed within 1 business day.
Your order will be marked as fulfilled from the moment it’s been boxed up in the warehouse awaiting for the courier to pick it up. Once your order has been fulfilled, you will receive an email with your tracking number. Your tracking details will appear once the courier has processed the package.
We deliver packages through the following couriers: Canada Post, UPS, Canpar, and Purolator. The courier will be chosen based on the fastest estimated shipping time.
We currently only ship to PO Boxes across Canada via Canada Post. If you enter a PO box for a US order, we will contact you to provide an alternative delivery address.
FREE SHIPPING
In Canada, we offer free shipping over $100 CAD before tax. In the United States, we offer free shipping over $150 CAD.
DISCREET SHIPPING
All Future Harvest online orders will be shipped out in branded boxes. If you would like discreet shipping, simply request for it in the shipping notes section on the cart page.
SHIPPING DELIVERY ESTIMATES⠀⠀⠀⠀⠀⠀
Regions
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Shipping Times
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British Columbia
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2-3 business days
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Alberta,
Saskatchewan,
& Manitoba
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3-5 business days
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Ontario, Quebec,
Newfoundland & Labrador,
& PEI
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3-7 business days
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USA | 7-15 business days |
SHIPPING DISCLAIMER
Nutrients can freeze when exposed to cold temperatures. We protect your packages by shipping liquid nutrients with heat packs and faster shipping methods during the winter months. Depending on courier, your package may not be sent out until the following Monday to ensure it does not sit in a cold warehouse over the weekend. If your nutrients freeze, simply mix the entire bottle with an equal amount of hot water (preferably reverse osmosis or distilled water) and double your dosage. For detailed information CLICK HERE
Occasionally, our online inventory is inaccurate. In the case we cannot fulfill your order due to an item being out of stock, we will contact you within 24 hours whether to cancel the order or wait for the item to be back in stock.
We reserve the right to cancel & refund any order where we cannot economically ship to. If this happens you will be refunded in full and notified of the issue.
Refund Policy
-----Returns
Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.
To be eligible for a return, your item must be unused and in the same condition that you received it.
To complete your return, we require a receipt or proof of purchase.
Once your return is received and inspected, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.
If you are approved, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within a certain amount of days.
Late Refunds
If you haven’t received a refund yet, first check your bank account again.
Then contact your credit card company, it may take some time before your refund is officially posted.
Next contact your bank. There is often some processing time before a refund is posted.
If you’ve done all of this and you still have not received your refund yet, please contact us at marketing@futureharvest.com.
We only replace items if they are defective or damaged. If you need to exchange it for the same item, send us an email at marketing@futureharvest.com and send your item to: 725 Evans Court, Kelowna, British Columbia, CA, V1X 6G4.
Shipping
To return your product, you should mail your product to: 725 Evans Court Kelowna British Columbia CA V1X 6G4
You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non-refundable. If you receive a refund, the original cost of shipping will be deducted from your refund, unless you the customer paid the original shipping.
Depending on where you live, the time it may take for your exchanged product to reach you, may vary.
If you are shipping an item over $75, you should consider using a trackable shipping service or purchasing shipping insurance. We don’t guarantee that we will receive your returned item.
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QUESTIONS & ANSWERS
Ask a Question-
Re flushing: I'm half way through week 8 of your program and want to know when to start flushing. Am I starting late or should I start after I finish up week 8?
Hi Rick,
It depends on your medium, how long your grow is, and if your plants feel ready to be harvested.
Generally you want to flush towards the end of your grow when you're close to harvest. Some people suggest to start flushing two weeks before the end of your flowering stage but it varies with each grow. Also make sure that when you do flush, to flush with straight water the last 3-5 days before harvest.
Here's a link to an article about flushing to help you out: https://futureharvest.com/blogs/articles/the-flushing-stage
It sounds like you're at the end of your flowering stage so you may be starting a bit late, but that's okay because you also don't want to start too early. Simply start flushing if you feel your buds are ready, and good luck with your grow!
Have a great day!
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When using with soil, do you dilute this or use it straight?
Dilute 1 mL per 2 litres of water.
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My plants are in 8 to 9 week flower cycle what week do you suggest I start my flesh in thank you
We recommend using Plant Flush in the last 2 weeks before harvest.
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How much do you use?
For use as a system cleaner:
Use undiluted WITHOUT PLANTS in the system.
To treat over fertilization:
Dilute 5 ml per 1 litre of water. Run through system for 36 hours then empty reservoir.
For use as a pre-harvest cleanser:
Dilute 5ml per 1 litre of water. Run through system for 3-5 days.
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Does it remove the vitamin B flavour as well?
Hello, thanks for the question.
The Plant Flush product will stop the roots from absorbing anymore nutrients,
this then forces the plant to use up all of the remaining nutrients in its system.
It would be beneficial to do a feeding of Plant flush followed by 1-2 weeks of flushing just pH'd water.
Best regards
Happy Growing
-Jesse -
Does plant flush work in soil?
Yes, Plant Flush works on all mediums