Dr Hornbys HammerHead is a PK Bloom enhancer. The industry standard ratio is PK13/14. Use HammerHead to maximise your plants potential and produce heavier yields.

Advanced Nutrients, after extensive research, have found that PK9/18 is the ideal ratio and outperforms by far PK13/14, giving more profuse flowering and heavier yields.

Available in 1 litre

SALE SALE SALE - check it out! Money off a lot of products, while stocks last!

These products are our top selling products. They can only be recommended.

Plagron Grow Mix (£9.99)

Diahydro - 2 litre (£1.00)

10cc Plastic Syringe (£0.69)

easy2grow ext. (boxed) (£19.99)

Clonex 50ml (£3.50)

4 inch Cubes - Small (£3.20)

We believe these products are worth a special mention. They have been used with exceptional results.

Clonex (£3.50)

Diahydro (£20.50)

Scorpion Juice (£22.90)

AeroFarm (£69.00)

SmartTray Kit (£40.00)

Dr Hornbys Big Bud (£10.20)