Biocube Skimmers. U can even still close the lid. U can put them into the back where ur bioballs go. Take out the bioball. They do more harm than good anyways. Small modifications required.
http://search.ebay.com/search/searc...ftrt=1&ftrv=1&saprclo=&saprchi=&fsop=1&fsoo=1
for all biocubes click the link.
http://search.ebay.com/search/searc...ftrt=1&ftrv=1&saprclo=&saprchi=&fsop=1&fsoo=1
for all biocubes click the link.
