HoldFast Certified
A certification mark for products built with HoldFast, Dirigo Sea Farm's water-soluble film technology made from seaweed-derived material.
The HoldFast Promise
Sourced, not synthesized
made from seaweed-derived material, not petroleum-derived synthetics.
Breaks down, not just dissolves
internal testing shows HoldFast continues to break down after it dissolves.
Independent lab verification is in progress.
Safe by design
non-toxic by design — nothing here carries a hazard label.
Where to find it
Fertilizer Sheets built with HoldFast Technology.