ive been having some small issues with the filter exp. bio wheels wernt turning very well if at all. called marineland and they helped me solve that ...impeller was very dirty. filter cartridge floss has been building up like crazy. i added some more floss on both vents on the intake tube. cleaned the impeller and and packed some more floss on the outlett ports water flow is good nothing is coming out the overflows and the floss seems to have quieted down the filter aswell. ive added some carbon bags along with the cartiges too. i have started to vacuum SMALL sections of my gravel. im starting to wonder if those bio wheels not spinning have put my tank in a mini cycle like posted before. also......how do ya get rid of this hydra stuff i wipe this stuff off my tank on a daily basis its getting frustrating
