Well, I'm gona make it happen less often for me now. I'm bringing in all the tanks like i said before and building them stands, The 4 outside have goldfish in them ( i'll put them into the 450 to help cycle) Than i'm gona take out the media throw it away put a sponge or how ever many i can fit into it. And I will re start the cycle on those 4 tanks. I will also paint the back and sides black and get a light and hood for them. Each of those tanks has 2 H.o.b for them.
Trying to decide if i should add an air bubler to each also... I might be over reacting just because a fish died but I will try my best not to have another die. so far i have 8 things on my list and all of which are probably gona be around 200$ in total.
But its well worth it to ensure my fish are happy and live long.
Once my tank outside cycles, I will move every fish exsept my 2 dats and put them into the 450. Than i will have 2 dats in my 120gallon. Also I will be looking to buy more dats as i wait for my royal plecos and smaller Pbass to grow once they get big enough not to get eaten by the dats they will go into the 120gallon also. than the smaller tanks will be grow outs.