llewella;485934 wrote: 25% water change on the 110 and the pico. Fed, cleaned glass inside and out on all 3 tanks, picked up frags, tweeked the skimmer. Anyone else with a reef octopus? Will I always have to tweek it like this? Anytime the water levels change in the sump I have to readjust.. It is only about 2 weeks old..