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#1
07-17-2002, 07:57 PM
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By Request - green tank pics
Tony,
The problem with testing for PO4 is most will be bound up in the sand bed now. Once you remove some (with water changes, phosphate sponge) more will be released. If PO4 is a part of the problem. Which I am presuming it is. You can test for it but until it is removed from all possible areas where it can be suspended in you will still have some coming back. Until you find the source and remove it this won't be a quick fix. IMO IME Quote:
Do you not agree that Alan's water is FULL of some form of algae? A good start is a set of water changes. In conjunction with work being done with the rock and sand bed. Other tanks using tap water in Calgary has no bearing in Alan's case. His tank has grown a large algae bloom. It is no longer like other tanks. By doing several large changes with RODI you are removing the water as a possible source for food. Why not try it? Right now I see no actual proof that it is not a part of this problem other than people saying they use tap water. How far does word of mouth get you in court? If the water is clean, great. Why not put it to rest by crossing it out completely? It is a much easier solution than ripping the whole system down and scrubbing all the rocks and sand... Either it works or it doesn't.. By backhandeldy dismissing this you are possibly writing off an easy fix. I don't understand that reasoning... It's like saying that Calgarians can't get a flu because the air is better. An extreme example but to me that is how it is appearing. Two or three large water changes done over a period of couple of weeks will quite possibly assist greatly in removing the food source. Until it is tried, don't write it off. Suggestions have been asked for, suggestions have been given. Suggestions probably based upon expereinces with various forms of algae outbreaks. Saying that it isn't the water without trying it is not very good logic to me... As it stands now the water in Alan's tank is a large breeding ground. If small partial water changes are done all that will result is a fresh source of nutrition for the algae and a whole new bloom starts. By doing several large changes you can remove as much of the algae or whatever it is and hopefully remove part of the source that is feeding it. Filters, sponges and such are a trying to fix the symptoms, even a diatom filter is NOT going to remove the food source, especially if it is PO4. To fix this you need to fix the cause. That is possibly one or all of these three things. (I am betting all three are now part of it since this has been going on for so long) Water. Sand. Rock. Right now all three are bound up with phosphates or some other source of nutrition for that algae. If you only try to fix one or part of one you are leaving the others to feed it all once again. It's like trying to fight a house fire by only spraying water into the basement or on the lawn. To do it effectively you need to remove what it needs to thrive, food. If you don't remove it all or at least a huge part of it there will be a chace of it coming back. To remove it you are goign to be looking at water, rock and sand IMO IME. take that advice as you want Alan. If I was closer I'd willingly help out by hosting your critters. I'll shut up now. As it seems Calgary's water is a touchy issue. 
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