Growhard PK Boost - 20L base-nutrients 0 Pints/kWh

0 Pints/kWh

making it one of the highest-performing boards on the market

and odor-causing microbes across all plant stages

Do not add A&B at the same time

Growhard PK Boost - 20L base-nutrients 0 Pints/kWhFor Enhanced Flowering: During the flowering phase, the demand for phosphorous and potassium markedly increases. Inadequate levels can impair plant growth and reduce flower output. PK BOOST is designed to augment phosphorous and potassium concentrations, promoting larger flowers and increased yields. Directions for use: Add 1 2 mL of PK BOOST per litre of flowering nutrient solution during week 4 & 5 of flowering. *Additional shipping may be required