the-obstacle Posted November 12, 2010 Report Share Posted November 12, 2010 I doubt it would have a great effect but water has a greater affinity for O2 than CO2 so high oxygen will drive off CO2 and drop the pH. Airation can be used to remove iron from drinking water if it is held in the ferrous (soluble) state by high CO2 as the removal of the CO2 will convert the iron to ferric (insoluble) and it can be settled out. That suggests that oxygenating water would have the opposite effect of adding co2? Usually co2 makes ph go down when added to a planted tank so oxygenating more could lower the acidity and make the move to 8.0+? Quote Link to comment Share on other sites More sharing options...
cliffy Posted November 12, 2010 Author Report Share Posted November 12, 2010 Yes the lfs showed me the water results . the lfs ask me how far down the filter was I told them and said that's to low. I rang a person last night is well and told him I had my fluval filter just above the gravel and he told me it should be up by the water level is well so now that i raised the filter up to the water level I can see the oxygen bubbles shooting cross the water so that's got to be a good thing now and plus i will let this filter settle for a while before adding fish. Quote Link to comment Share on other sites More sharing options...
Windsparrow Posted November 12, 2010 Report Share Posted November 12, 2010 Leave both your fluval AND Juwel filters running in that tank for one month. Quote Link to comment Share on other sites More sharing options...
the-obstacle Posted November 13, 2010 Report Share Posted November 13, 2010 all happier this morning in the tank? Quote Link to comment Share on other sites More sharing options...
cliffy Posted November 14, 2010 Author Report Share Posted November 14, 2010 Hi guys well don't know what happen been testing the water all weekend in that tank and everything is spot on went to hwf albany and they checked the water is well yesterday and all good I told them about the lemons and they said it was just a freak thing that happen could of been something wrong with the lemons so the said come next weekend and get some different fish like some x ray tetras and zebra danios what you guys think of zebra danios . Quote Link to comment Share on other sites More sharing options...
alanmin4304 Posted November 14, 2010 Report Share Posted November 14, 2010 Adding O2 will only alter the pH as much as the CO2 has altered it in the other direction. In other words it will remove the pH decrease caused by the added CO2 and return it to where it was, it will not make it more alkaline as such. Quote Link to comment Share on other sites More sharing options...
the-obstacle Posted November 15, 2010 Report Share Posted November 15, 2010 Adding O2 will only alter the pH as much as the CO2 has altered it in the other direction. In other words it will remove the pH decrease caused by the added CO2 and return it to where it was, it will not make it more alkaline as such. Ahh, that makes sense. Cliffy - don't take the lfs at their word. I'm 99% certain it was caused by removing the filter full of good bacteria and I'm sure most others would agree. Quote Link to comment Share on other sites More sharing options...
cliffy Posted November 15, 2010 Author Report Share Posted November 15, 2010 oh true I couldn't put back the juwel bioflow mini cause it was dry but the fluval been running since thursday last week . The lfs said yesterday putting 5 x ray tetras in next weekend what you think. The last lemon is still alive with the 10 blood fins you think he be ok on his own with the blood fins. Quote Link to comment Share on other sites More sharing options...
Joshlikesfish Posted November 15, 2010 Report Share Posted November 15, 2010 The lfs said yesterday putting 5 x ray tetras in next weekend what you think. Who is the LFS? :-? Quote Link to comment Share on other sites More sharing options...
cliffy Posted November 15, 2010 Author Report Share Posted November 15, 2010 hollywood albany Quote Link to comment Share on other sites More sharing options...
Joshlikesfish Posted November 15, 2010 Report Share Posted November 15, 2010 I personally think you should wait awhile Quote Link to comment Share on other sites More sharing options...
cliffy Posted November 15, 2010 Author Report Share Posted November 15, 2010 No worries Josh when you reckon do a water change i did one on saturday . how long you reckon before putting 5 schooling fish in will the lemon tetra be fine on his own for a while with 10 blood fins you reckon. Quote Link to comment Share on other sites More sharing options...
Joshlikesfish Posted November 15, 2010 Report Share Posted November 15, 2010 How big of a water change? Other will have better opinions then me. I'm a bit of a noob when it comes to cycling :lol: Quote Link to comment Share on other sites More sharing options...
cliffy Posted November 15, 2010 Author Report Share Posted November 15, 2010 I do a 20 litre water change once a week in my 60 litre tank Josh. Think i should have left it to build up the bacteria. Quote Link to comment Share on other sites More sharing options...
the-obstacle Posted November 15, 2010 Report Share Posted November 15, 2010 ahh, i replied to your pm before I read this. If you're starting from scratch with the new filter don't add any more until it has cycled.* Have you got a test kit or are you going to hff each time to get the water tested? I highly recommend buying even just a cheapy to test ammonia and nitrate. You're going to have to wait for the cycle to complete again*, or at least until you have a 0 ammonia, 0 nitrite, 5+ nitrate test to prove that something is converting the ammonia into nitrate showing a completed cycle. I wouldn't add any more fish until the cycle is complete. The one little guy on his own will be fine. I would recommend doing 5-10% water changes as often as possible (daily is best). *you can of course do whatever you like 6 or 7 tetra in a 60L tank is perfectly ok for cycling, just look after them and do regular water changes and dose with prime if/when the ammonia / nitrite levels go up (it can cancel the affects of ammonia) if you feel you can't wait. The only reason I offer my advice is because I have a tank full of fish that have had a bloody hard time living through a cycle and they're still not right because of it. I'm in no way an expert but I wish I had listened to the experts and not given in to my impatience for the sake of the fish. Quote Link to comment Share on other sites More sharing options...
cliffy Posted November 15, 2010 Author Report Share Posted November 15, 2010 yer i see what you mean there i just letting it recover now and settle down i was told takes a month to settle but just wonder if the one lemon tetra can school with the blood fins as the 10 blood fins a ok in the tank. The ammonia is sweet it's 0 the kh is sweet and nitrite and nitrates. Quote Link to comment Share on other sites More sharing options...
Ismart120 Posted November 16, 2010 Report Share Posted November 16, 2010 I think your lemon tetra will learn to school with the blood fins although most likely not as close, I've had some very mixed tetra schools made up of older fish from groups that have died off over time leaving individual fish that have joined bigger schools of other tetra quite well. It would however do better with other lemons one would think, I just wouldn't add anything more until the filter is sorted. Quote Link to comment Share on other sites More sharing options...
cliffy Posted November 16, 2010 Author Report Share Posted November 16, 2010 Thanks for that yes i leaving it for now for the filter to do its job. The good news is the tank is doing great everything is normal . Quote Link to comment Share on other sites More sharing options...
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