Grotek - VitaMax Pro plant health and Iron are incredibly important

and Iron are incredibly important to photosynthesis (making energy from light) and maintaining the structure of the plant

Use PK 13-14 four weeks before the end of the harvest

the Industry’s Leading Horticultural Formula

Plant Magic Plus Oldtimer Organic Bloom

Grotek - VitaMax Pro plant health and Iron are incredibly importantVitamax Pro is an organic mineral supplement that contains everything you need to grow your plants healthy and maximize crops. Ground and sea ingredients mixed with minerals are aimed at helping plants build larger roots, stronger shoots and fantastic flowers. Key properties: improves plant growth at all stages; provides more amino acid sources; contains high quality humic acid and carbohydrates from fermented plant material.