Duckweed grows rapidly and can quickly choke out ponds and tanks if allowed to grow unchecked. this plant is ideal for aquaponics, because it thrives on the waste fish leave behind, filtering the.... It uses ammonia directly so is good for a system running short of filtration but if you are trying to grow veggies in your aquaponics system, growing duckweed in your aquaponics system will be robbing your veggies of nutrients and by using the duckweed as fish food you won’t be putting enough nutrients into your system in the first place..
