IM HAVING TROUBLE REMOVING BROWN HAIR ALGAE IM MANUALLY REMOVING BY HAND EVERYDAY BUT STILL COMING BACK WHAT CAN I DO, I KNOW I NEED A REACTOR BUT NO $ RIGHT NOW, WHAT CAN I DO IN MEANWHILE BEFORE I GET ONE IVE BEEN DOSING VOLDKA STARTED LAST WEEK 1ML 1ST WEEK NOW 2ND WEEK 2ML BUT HAVINT SEEN ANY IMPROVEMENTS? SHOULD I DO SMALL WATER CHANGES EACH WEEK ? 180 GALLON 40 GAL SUMP TANK ABOUT 1 YR OLD:a40: