I HAVE A 55 GALLON WITH A COUPLE OSCARS COUPLE PLECOS I CICHLID A PUFFER AND A CAT FISH. I MOVED MY TANK FROM MY ROOM TO THE LIVING ROOM AND STARTED ALL OVER WITH NEW WATER. USED START RIGHT WATER TREATMENT, THREW IN A ICK TABLET AND SOME CLOUDYNESS DROPS AND IT WAS PERFECT. NEVER SEEN IT SO CLEAN. CUT OFF A CHUNK OF ZUCHINI FOR MY PLECOS AND WENT TO BED WOKE UP THE NEXT DAY AND MY TANK WAS SO GREEN I COULD NOT SEE THROUGH TO THE OTHER SIDE. I DONT HAVE AND PLANTS IN MY TANK OH AND ALSO I FED MY PUFFER A CHUNK OF SQUID FOR SALTWATER CARNOVORES. I WANT A CRYSTAL CLEAR TANK AGAIN BUT I DONT WANT TO MOVE IT. AS OF TONIGHT I PUT A SMALL EIGHT INCH SPIDER PLANT IN THE TANK HOPING TO ASSIST BUT I DONT KNOW THAT ITS 100 PERCENT SAFE FOR MY FISH. I NEED SOME ADVICE PLEASE.