A good grow begins below the surface.

Prepare the root zone with Start, the soil conditioner at the beginning of the Reefertilizer system.

Get to know Start See the complete system

Reefertilizer Start soil conditioner with mycorrhizae pouch — Soil conditioner with mycorrhizae

One product. A clear role.

Made for this
part of the grow.

Start combines kelp and mycorrhizae in a soil conditioner. Work it into your growing medium as directed before moving into the vegetative feeding stage.

Match your stage

Seedling · Growing medium. Use the feeding schedule to find where your plant is in the system.

Follow the directions

Work Start into your growing medium according to the product directions and feeding schedule.

Know what comes next

When your plant reaches the vegetative stage, follow the schedule for Grow.

Guidance along the way

A simple feeding schedule.
Help when you need it.

Free grow guides & toolsFind feeding guidance and growing resources Ask WeedBOTExplore growing questions with the AI assistant

Explore the other stages.

View the full system

02 · Vegetative stage

Reefertilizer Grow

Water-soluble grow nutrientsExplore Grow

03 · Flowering stage

Reefertilizer Bloom

Water-soluble bloom nutrientsExplore Bloom

Start · Grow · Bloom. One complete system.

Explore the complete kit