Need Fast Advice
- Thread starter eka
- Start date
so 50% be enough? as i read somewhere in forum that need to do 90 or more% change. 
ph is still ok. my hubby dont listen to me and bough 8 more fishes 
i told him to wait, but here we are with more habitants. men are so dificult. oh yea, after adding more plants and redecorating a lil they seems a bit better, but one of them got really fat, as he eats everything, even beating others to get from them, even algae, plants, leftovers...everything. i am scared he can die from too much food. as my hubby was in fishstore he wanted to buy female gourami 
but they dont sell them as they couse too much desiese, so instead he brought 8 more 
...how often i need to change water to rid of the nitrites?
ph is still ok. my hubby dont listen to me and bough 8 more fishes i told him to wait, but here we are with more habitants. men are so dificult. oh yea, after adding more plants and redecorating a lil they seems a bit better, but one of them got really fat, as he eats everything, even beating others to get from them, even algae, plants, leftovers...everything. i am scared he can die from too much food. as my hubby was in fishstore he wanted to buy female gourami but they dont sell them as they couse too much desiese, so instead he brought 8 more ...how often i need to change water to rid of the nitrites?0.8 * (1 - 0.5) = 0.4 so that would still be not enough (assuming your tap water is 0 ppm nitrite), so to calculate how much would get you down to 0.25, you do 1 - (0.25 / 0.8) = 0.69 -> 69% to get nitrite to 0.25. Because you're trying to get it well under 0.25, you from looking at that, a 90% water change is appropriate.
90%+ is not a solid rule, but it is a good guide if one has already been doing regular water changes and does not know how to calculate the concentrations.
So if you have NOT been doing regular water changes, I would first do a few 50% ones, every 6 hours apart, and only then start on 90% water changes and pH changes can harm the fish.
So your husband (for want of a better word) is an idiot. Can you take the fish back? Your tank really can not handle 8 new ones right now.. what species are they anyway? Also, it is silly that the LFS stocks males, but no females. By the way, I said swap a male for a female: two males and one female will leave you in a much worse place than you are now, with two males.
Basically, with the new stock, 50% is not going to be enough, but if you do larger ones, there's a good chance that your pH will change too fast, if your tank pH is different from the tap pH (after tap water has stood in a glass for 24 hours. So your best bet is to do a tap water test now, so you have a point of reference.
Oh, and do NOT feed anything at all, the food is making your problem worse. The fish will be fine without any for at least a week, and most are fine for two weeks.
90%+ is not a solid rule, but it is a good guide if one has already been doing regular water changes and does not know how to calculate the concentrations.
So if you have NOT been doing regular water changes, I would first do a few 50% ones, every 6 hours apart, and only then start on 90% water changes and pH changes can harm the fish.
So your husband (for want of a better word) is an idiot. Can you take the fish back? Your tank really can not handle 8 new ones right now.. what species are they anyway? Also, it is silly that the LFS stocks males, but no females. By the way, I said swap a male for a female: two males and one female will leave you in a much worse place than you are now, with two males.
Basically, with the new stock, 50% is not going to be enough, but if you do larger ones, there's a good chance that your pH will change too fast, if your tank pH is different from the tap pH (after tap water has stood in a glass for 24 hours. So your best bet is to do a tap water test now, so you have a point of reference.
Oh, and do NOT feed anything at all, the food is making your problem worse. The fish will be fine without any for at least a week, and most are fine for two weeks.
he bought 6 tetras and 2 balloon mollys. i did 60% water change, nitrite droped to 0.3 gonna do test tomorow and do another change if needed. few our fish stores are really unreliable, as 1 have louds of fishes but u can c too many fish in display tanks, loads of sick ones and tanks are really discusting dirty, another one(dont even sell fishes without writing on a paper about u and your tank) have loads of fishes too but as long as i seen theres plenty dead ones in display tanks or near death, so we change our shop to another one, wich is far away really. and thanks by the way u are really helping me out. to keep a tank is not so easy as everyone say. 
shelaghfishface
the one and only
<wishes people wouldnt buy oscars in ignorance.. the plec nor the oscar didnt die from cycling issues!!!
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