02-05-2007, 01:59 PM
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F4A may have a handle on this (ie. an algae bloom commencing).
Even though you have accomplished the appropriate water changes based on my experience the algae is still alive and maybe flourishing in your mechanical filtration media.
I removed the algae from the mechanical filtration media by soaking the media in a mild chlorine solution, rinsing thoroughly, replacing the media and adding dechlorinator.
This would be "only a step" in solving the problem.
I have stated the following in other posts but it may not be redundant in this context.
The generation of green algae is typically due to:
Lighting which is of too great an intensity,
Lighting periods which are too great of a duration and
If any of these factors are applicable then WC's and media cleaning will not effect a long term solution.
You indicated that your plants were "faltering".
When I dealt with a serious algae bloom one step which I took (and which seems contraian) was to dose with Flourish.
This dosing seemed to make the plants thrive and the thriving plants seemed to remove nutrients which the algae was utilizing.
Another condition which you may be observing is what I term "cloudy water".
"Out of the blue and for no reason which could be ascertained" the water became slightly cloudy in my well established tank on several occasions.
Similarly after one to two weeks (and once again) "out of the blue and for no reason which could be ascertained" the water cleared up.
Based on my experience, in one or two weeks the water may "just clear up".