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Quantity
1
Description
The fastest nutrient sponge you can buy. Lemna minor — Duckweed — is barely 2mm across but multiplies faster than almost any aquatic plant, forming a dense surface mat that shades algae out and strips nitrate and phosphate from the water as...
Reviews
4.1
29 ratings
5
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1
No directions
It would have been nice to get some directions in how to introduce the duckweed to the pond. As it is very few of them lasted more than a week. They seemed to get too much sun exposure. I wasn't aware that they would need to be hardened before adding them. :*(
M
Marcy · June 11, 2026
All the duckweed
Ordered some duckweed, and they arrived not only earlier than expected. They also arrived so green and without any damage to the plant. 10/10 would recommend 👍
