Working with Duckweed in the bowl
I will rarely have just one type of plant with a betta. Here we see my sons betta building it's bubble nest among three types of plants, salvinia, duckweed and below anaracharis. Duckweed (for me) is almost like an accessory for the other plants I use.
similar to salvinia and frogbit but much smaller. These small pads hang a single root into the water. to gather nutrients. Almost inseparable to it's cousin salvinia the two are rarely seen apart.
A close up of the pads. One thing you'll soon realize after keeping duckweed is it is extremely prolific. So much so it's usually fine to loose most of your pads during a water change and they will quicly come back to cover the surface.
A closeup shot of several pads and it's single nutrient gathering root.
The top leaf here is just staring to divide. We can see top and bottom leafs just starting to grow. When they get big enough (a matter of days) the plant will divide.