Thanks everyone!!!

In case you want to hear about my tanks, I have 4:
20 gallon planted:
1 Bolivian ram (had to be rehomed to this tank)
7 gold pristella tetras- beautiful fish!
1 bristlenose pleco
also, desperately awaiting apistogramma
filters: Penguin mini and Aquaclear 150
29 gallon planted:
3 Bolivian rams- so much personality!
7 green fire tetras
6 rummy nose tetras
1 clown pleco
filter: Aquaclear 300
35 gallon fake planted:
2 Blood Parrots- my 1st cichlids
7 red glass barbs
cories soon to come
filter: Emperor 400
55 gallon with no plants at all:
1 gold severum- the one in my avatar
1 wild caught firemouth- my newest cichlid
1 small female convict
3 huge tiger barbs
3 huge green barbs
1 sailfin pleco
filters: Emperor 280 and Emperor 400
70 lbs of rock