No, not 4.
120 gallon red ear slider turtle pond
100 gallon goldfish pond
30 gallon lizard tank
28 gallon HQI mixed reef
25 gallon heavily planted FW
10 gallon tree frog terrarium
10 gallon dart frog terrarium
8 gallon non-photosynthetic tank
2 gallon lr/ls tank
this 400 ml tank
Phytoplankton factory
going to start a pod factory
going to start a rotifer factory
All that is mine and I think that's it.
I also have 2 dogs, a bird, and I think that's it...