Im not sure this aqua-calculator is very acurate ......
I got
1-RTG 6 inches
1-super red 3 inches
1-HBRTG
I taged them as juvenile in a 150g tank
with a a marineland C-530 which is a pretty big can filter and i get this ....
Warning: You NEED to add more aquarium filtration capacity!!!
Your aquarium filtration capacity for above selected species is 30%.
Your tank is too small - it will require massive amount of frequent water changes each week!
Your aquarium stocking level is 196%. [Generate Image]
Your tank is seriously overstocked. Unless this setup is temporary, you should consider a larger tank. .........
Seriously ??????? the only thing i feel is acurate is that this is a temporary set up