tank troubles

tom, i have a 75 gal tank that is having a few issues. first of all i began having good luck by following your dosing advise but then i decided to put a nice piece of driftwood in the tank. in order to make room for the lumber i removed two large crypts and moved sag to back of tank. the tank has been set up since sept 03. 100% flourite, 220 watts ah supply lighting,and press. co2. using greenhouse grade fertilizer and seachem iron. thats when problems began. green dust algea and small amount of black on sag leaves. also put three pieces of water sprite in tank and they don't look so good. tank has three large swords, large crypt, and sag. lamotte co2 test kit shows into the lower forties. after about five hours of lighting tank looks like fiz factory.plenty of livesock also. could i have opened a can of worms when i restructured tank? i need your advice . could i have a new dosage plan of attack. thanks, cornhusker

 

Re: tank troubles

tom, i 've been dosing 30 mls kno3, 1 1/2 tsp potassium, 6mls of po4, and 30 mls of trace next day as you've made a point to do. i've also started adding 4mls of seachem iron. weekly water changes are 50 to 60 % . i'm kranking up co2 untill fish start acting funny. CANNOT even count on the expensive test kits to be right, a waste of money. this has been a one time a week dosing plan. thanks, cornhusker

 

Re: tank troubles

tom, you may have not caught this on one of my posts,should potassium be dosed or is there enough in kno3 to supply needs of tank? thanks,cornhusker