Advanced Nutrients Overdrive 1L PPM additives are used only to

additives are used only to  tweak and maximize performance

The Vector Concentrate Rig includes a four hole perc and an extra long mouthpiece

Minimum EC/TDS: 10 µS/5 ppm

Specifications Airflow: 1

When you use Overdrive

Advanced Nutrients Overdrive 1L PPM additives are used only toAfter your peak bloom phase, your plants enter their late bloom phase (the precise timing and length of which depends on the plant strain youre growing). By that time, most growers dont expect to see much more floral development ahead. Instead of accepting this, you can get even more out of your plants during the finishing phase with Overdrive. When you use Overdrive, youll reinvigorate your crops with a second wind. Your buds will pack on more weight