Originally Posted by HD Blazingwolf
Has ANYTHING changed? feeding habits? how about ur substrate.. when was the last time it was stirred? whens the last time u cleaned ur filter media? give us an idea what might have or might not have changed.. SOMETHING is icnreasing nitrates. whether it be more ferts, or something breaking down in the tank..
BBA and GSA are usually due to c02... its next to impossible to have them be caused by high nitrates..
40ppm nitrates isn't aweful either.. EI shoots for 20ppm. and you can dose 2-3x that much without any negative effects
i am assuming something is breaking down because ur p04 is changing as well. Or ur plants aren't up taking the nutrients
I realize 40PPM isn't all that horrible, but there are small changes in my fish behaviors that have me concerned. That and the fact that this tank has never done anything like this before.
The only change has been a reduction of stocking and the changes already mentioned with the plants. My tank was overgrown to the point that there was virtually no swim space. And the removal of 2 very large Amazon Swords I did expect some change in fert requirements, but nothing like this.
Filters are cleaned out every 4-6 weeks. And, sooner if there is a reduction in circulation. I never clean both filters a once. One changed 3 weeks ago and the other 7 or 8 weeks.
Substrate stirred every couple of months, although it has been a while since I last removed the driftwood to clean and aerate underneath them.
Each week I remove any decaying plant leaves and prune back overgrowth for replanting. Although my arms are not long enough to reach the bottom of the swords at the back, so there are some stems the should be removed. I'd have to completely remove the plants to do this. Each time they are very difficult to get seated back into the gravel. This was last done in the summer when I sold 2 of the 3 swords.
I am concerned with the state of the mother plant. It does appear to be losing ground. When it produced the plantletes, it was reaching the top of the water level, so 24 inches. At this point it stopped creating new leaves. I wasn't surprised by this as I assumed it was spending its energy producing the babies. But now that the babies have been rooted in the substrate and cut off the mother plant, it does not look at full and healthy as it once was. I have been wondering if this was the source of nitrates.
We've been having a lot of rain and this always lowers the PO4 level, so I'm not worried about this change.
Did I miss anything?
Bet it is your Root Tabs taht you put in the tank 1 month ago. Only makes sense that you are just now seeing it over the last 2 weeks. I would just keep dosing EI and do your weekly water changes, 40ppm isn't horrible especially if you have alot of plants.
That's an interesting thought I had not considered. If this is the case then when would the nitrates begin to drop back to my normal levels?
Thanks to the both of your for your thoughts and ideas.