Heap Composting

Seaweed/kelp

Green (Nitrogen)
C:N Ratio19:1
Decomposition Time2-4 weeks
Material TypeGreen (Nitrogen)
CategoryKitchen Scraps

Compatible Methods

MethodSuitabilityTimelineTips
Hot CompostingRecommended4-8 wksChop or shred for faster breakdown; Mix to maintain C:N ratio of 25-30:1; C:N ratio 19:1 - balance with browns
Cold CompostingRecommended24-52 wksSimply add to your pile; Expect 2-4 weeks for breakdown; Layer browns and greens
VermicompostingRecommended12-24 wksAdd in small amounts; Chop into small pieces; Bury under bedding
BokashiRecommended4-6 wksLayer with bokashi bran in airtight bucket; Press down to remove air; Drain tea every 2-3 days
TumblerRecommended4-8 wksAdd in batches; Balance this green material; Turn every 2-3 days

Tips & Notes

Rinse salt. Excellent micronutrients.

Frequently Asked Questions

Can you compost Seaweed/kelp?

Yes, Seaweed/kelp is compostable. Green (Nitrogen) material, C:N 19:1.

How long does Seaweed/kelp take?

Decomposes in 2-4 weeks.

Is Seaweed/kelp green or brown?

green (nitrogen).

C:N ratio of Seaweed/kelp?

19:1. Nitrogen-rich.

Heap app icon

Heap Composting

Your complete guide to composting at home

Download Heap — Free Composting App Get it on Google Play