TimboS
Wed Aug 27, 2008, 04:03 AM
Hi All,
Over the last couple of months I have been noticing that a fair bit of bubbles are forming on the surface against the tank walls.
I no longer use an airstone to agititate the water surface but rather a small AquaOne 101 filter (with zeocarb in it), and it gets almost all of the surface constantly moving - at least the bits where the bubbles are forming.
I am thinking that the water quality in North East Adelaide may have something to do with it unless I am overlooking a simple reason. My Nitrates are generally less than 15ppm, pH about neutral give or take 0.2 units, GH about 8 degrees and KH 0-2 degrees (and the latter two have been that way for at least a couple of years).
Is it salt related I wonder? I am not sure how though given the stability of my GH and KH. Note that I use UV to kill the baddies off and do frequent water changes but use nothing as sophisticated as reverse osmosis.
????
On a seperate issue, but something related to my last post about diatoms in this section of the forums, I have also noticed that the time it takes for nice, new filter tubing to start colonising bacteria (and thus form those brown sludgy looking spots on the inside of the tubing, almost like small clumps of spores) is rapidly decreasing. This of course restricts flow and means more frequent cleaning, but why would the tubing get so "dirty" so quick? It becomes an eyesore, and fast (perhaps 4-5 weeks). Also a water quality issue I wonder?
TimboS
Over the last couple of months I have been noticing that a fair bit of bubbles are forming on the surface against the tank walls.
I no longer use an airstone to agititate the water surface but rather a small AquaOne 101 filter (with zeocarb in it), and it gets almost all of the surface constantly moving - at least the bits where the bubbles are forming.
I am thinking that the water quality in North East Adelaide may have something to do with it unless I am overlooking a simple reason. My Nitrates are generally less than 15ppm, pH about neutral give or take 0.2 units, GH about 8 degrees and KH 0-2 degrees (and the latter two have been that way for at least a couple of years).
Is it salt related I wonder? I am not sure how though given the stability of my GH and KH. Note that I use UV to kill the baddies off and do frequent water changes but use nothing as sophisticated as reverse osmosis.
????
On a seperate issue, but something related to my last post about diatoms in this section of the forums, I have also noticed that the time it takes for nice, new filter tubing to start colonising bacteria (and thus form those brown sludgy looking spots on the inside of the tubing, almost like small clumps of spores) is rapidly decreasing. This of course restricts flow and means more frequent cleaning, but why would the tubing get so "dirty" so quick? It becomes an eyesore, and fast (perhaps 4-5 weeks). Also a water quality issue I wonder?
TimboS