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By the late stages of flowering, you will have thrown everything but the kitchen sink at your plants in the search for higher yields - and this is where Overdrive comes in! A premium flowering booster packed with all kinds of phosphorous and potassium sources as well as hormones and catalytic agents, Overdrive is the growing equivalent of finding an extra gear. Best used in conjunction with Dr. Hornby's Big Bud and highly recommended for anyone looking for huge yields.

The manufacturer's recommended dilution rates are as follows (per litre of water):

Cutting/Seedling: N/A
Vegetative Stage: N/A
Flowering Stage: 2mls

For a more comprehensive guide on the advised application rates of this product, give us a call on 0333 003 22 96.

NPK ratio: 1 - 5 - 4

Q & A

Questions and Answers (3)

Can i use overdrive when using PK 13/14?
I would advise using Overdrive during your last 2 weeks of flowering before flushing, I wouldn't use PK13/14 & Overdrive at the same time.

Written by AL | 6 Mar 2013

when should this be used thank you
Overdrive should be used for the last 2 weeks of flowering, & then flush for your final week.

Written by andy | 29 Jan 2013

how much of this booster should i add per 10 litres
You would use Overdrive @ 2ml per litre, so in 10 litres, you would use 20ml.

Written by reg | 14 Jan 2013