your filter is overflowing probably because it is clogged and has a whole bunch of junk caught up in it. it may be able to be just rinsed off or you may need to replace it but until you do one or the other it is going to get worse and worse. when is the last time you replaced the filter cartridge?
__________________ 55 Gallon
1 Bala Shark (Balantiocheilus melanopterus) 9-10"
1 Albino Rainbow Shark (Epalzeorhynchos frenatus) 6"
1 Cuvier Bichir (Polypterus senegalus) 5"
1 Clown pleco (P. maccus) 3"
3 Yoyo loaches (Botia Almorhae) 2"
Moss, 6 Java ferns, and a Amazon Sword
2 Aqua-Tech power filters 30-60g 330gph
Whisper 30-60 air pump
Marineland stealth 200 heater (rated at 55g)
48" 6500k spectrum plant bulb |