Plant nutrients,
made simple.
One feeding chart from seed to flower.
One product for each
stage of the grow.
Seedling
Reefertilizer® Start
Soil conditioner
Prepare the root zone with kelp and mycorrhizae before vegetative growth begins.
Explore StartVegetative
Reefertilizer® Grow
Water-soluble grow nutrients
Build strong stems and a healthy canopy during the vegetative stage.
Explore GrowFlowering
Reefertilizer® Bloom
Water-soluble bloom nutrients
Support flower development through the final weeks of the feeding schedule.
Explore BloomFollow the chart.
Feed with confidence.
No complicated product stack—just the right product at the right stage.
Find your stage
Use the feeding chart to match the product and amount to your plant’s current stage.
Apply as directed
Work Start into the growing medium for the seedling stage. Mix Grow or Bloom with water according to the chart.
Keep moving forward
Follow the chart from Start to Grow to Bloom as your plant develops.
One chart, from seed to flower.
Designed to make the grow feel manageable.
Reefertilizer replaces a crowded shelf of bottles with a focused three-part system. The detail is there when you need it; the guidance makes the decision simple.
Simple feeding schedule
A single feeding schedule keeps the next step visible and easy to follow.
Three clear jobs
Each product has a defined role, whether you grow indoors or outdoors.
Help when you need it
Free grow guides and WeedBOT, an AI assistant, give new growers somewhere useful to turn.
“I had fantastic results last year and will definitely be feeding my plants Reefertilizer again this season.”
“Awesome results and always so helpful.”
“That stuff works great—my first autoflower.”
“Great stuff. My plants were big, green and healthy.”
“Very easy to use with excellent results.”
“Very satisfied. Looking forward to getting the whole system for next spring.”
A little guidance goes a long way.
The complete system is designed as a simple Start, Grow and Bloom sequence. Each product supports a different stage of the grow.
Follow the simple feeding schedule. It shows which product belongs at each stage and how much to use.
Use the free grow guides for common questions, or ask WeedBOT, Reefertilizer’s AI assistant. Follow the product label and feeding directions when applying nutrients.
Everything your grow needs.
Nothing it doesn’t.
Choose the complete Reefertilizer system and follow one clear path from seed to flower.
Shop the complete kit
