Overdrive by Advanced Nutrients is a PK booster that was developed to be used during the last 3 weeks of flower once you have stopped using Advanced Nutrients Big Bud between weeks 2-4. As the name suggests, Advanced Nutrients Overdrive is a booster used in late flowering that pushes your plants to their limit as they approach harvest, giving you healthy plants and amazing yields that you will be proud of. Overdrive is recommended to be used with Sensi Grow/Bloom or Connoisseur A&B and will not cause you any problems with Advanced Nutrients pH perfect technology. .hb-qff .hb-qff-row { display: grid; grid-template-columns: 140px 1fr; gap: 14px; align-items: baseline; margin: 0 0 10px; } .hb-qff .hb-qff-row:last-child { margin-bottom: 0; } .hb-qff dt, .hb-qff dd { margin: 0; } @media (max-width: 480px) { .hb-qff .hb-qff-row { grid-template-columns: 1fr; gap: 3px; } } Quick Feed Facts THE HYDRO BROS Dilution / Dose 2ml per litre of water, used only in the final 3 weeks of flowering. When To Use Start once you stop using Big Bud (after week 4) and run through to harvest to maximise final swell and ripening. Substrate Fit Formulated for use with Sensi Grow/Bloom or Connoisseur A&B base nutrients; fully compatible with Advanced Nutrients pH Perfect technology. Grower Notes Overdrive is the natural follow-on to Big Bud — once your Big Bud run finishes at week 4, Overdrive takes over to push the plant through to harvest. PK boost to be used in the last 3 weeks of the bloom cycle Increases the final yield of harvest Ideal to be used with the Advanced Nutrients range DIRECTIONS OF USE: 2ml per litre of water in the final 3 weeks of flowering.