PK Bulk (PK 18-20) 250ml Evoponic


    PK Bulk (PK 18-20) 250ml Evoponic

    £13.00 £6.50


Product Description

PK BULK is a unique & superior PK blend as it combines three products into one:

  1. A concentrated PK 18-20 designed to provide supplementary nutrition in all flowering plants
  2. Maximises flower buds
  3. Promotes flowering using natural hormones from plant extracts

Typical Analysis:

Phosphate (P2O5): 180g/l
Potassium (K23O): 200g/l
Application Rates for all substrates:
  • 0.25ml/L Following week 2 of flowering
  • 0.5ml/L For week 4
  • 0.5ml/L For week 5
  • 0.5-1ml/L From week 6 onwards
  • Flush Final week
First add PK BULK into the tank, and then reach the required TDS with the basic flowering nutrients. Then adjust the pH between 5.8 and 6.2. You can use PK BULK in either hard or soft water.
Shipping & Handling

Shipping & Handling

THS uses a selection of couriers to deliver our products to N.Ireland, Ireland, the UK and EU at the fairest rates we can negotiate.

Here's what you can expect when placing an order with THS:

Upon purchase, your order will be packaged and mailed without delay and sent to the cardholder’s address. We will always endeavour to deliver in the fastest most economical way, when shipping within Ireland and the UK.

Overseas shipment times can vary greatly, it’s advised to contact us for specific international shipping quotes.

All goods are subject to availability and a delay in delivery can sometimes be out of our control. We will do our best to ameliorate and avoid these delays whenever we can so that your order can be delivered in a timely manner. Delivery times are approximate and we shall not be held liable for any losses, damages, expenses or charges caused by any delay from the delivery of goods.

For further information please check the delivery page on the website.



We accept a variety of different payment options to allow our customers to pay in whatever method is most convenient for them. We accept Credit Cards, Debit Cards, PayPal, Bank Transfers, Cash in-store, Bitcoin, and Telephone orders.

To process your payment over the phone, call:

UK: +44 2890 994199

For online payments including Bank Transfer, Credit or Debit cards, PayPal, Bitcoin simply process your order and follow the instructions at checkout. Our credit card transactions are completed on secure and encrypted communications via 3rd party payment processing services.

For further information please check the payment page on the website.