Tswifty8 hates Koralias...

[the budman]

i have a K-2 and a pair of K-1's in my 40 long and love it. so do my coral. i have only softies and lps but the thrive in there. i only had cheap hartz or something like that to compare to but i like these alot. love the magnetic holders too. every powerhead company should use them.

 

[vivek]

Tunze all the way. you can mod the 6025 and get the flow equivalent to the 6045's

 

[GSMguy]

tunze 6025 modded, to 1200 GPH for less than 70 bucks best budget pump.