I have had good results with my penguin 330. Bought it used about 8 months ago and haven't had a problem.
Also had good results with aquaclears. Have used a mini, 200 and 300. Very solid and reliable, not the best at restarting but not really a big issue for me.
Also had good results with aquaclears. Have used a mini, 200 and 300. Very solid and reliable, not the best at restarting but not really a big issue for me.