Algae trouble, am I on the right track? - The Planted Tank Forum
 
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post #1 of 6 (permalink) Old 12-13-2006, 11:47 PM Thread Starter
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Algae trouble, am I on the right track?

Back story:
A 125 gallon All Glass tank. The hardware info can be found here:Visit my 125 profile
Things were well, but then I tried changing from my fast growing stems to slower growing plants too quickly, and totally upset the balance in my tank.
There were some phases in the interim from this past July, but here is my latest situation.

I was having BBA problems, tried spot treating H2O2 (360 ml 3 days a week) When the BBA died off Hair algae would take it's place. Then it would go back to BBA.
I spoke with Mike (Momotaro) who saw my tank, and suggested that I stop the spot treatments, add stems, and a do a blackout.
So, on the evening of 12/5, I did the following:
* Physically removed as much algae as possible
* Remove any loose leaves, or plant parts that looked ill.
* Did a 75% water change
* Shut off the lights, and CO2
* Repositioned a filter output to create surface turbulance
* Dosed 60 ml of Excel
* covered with a heavy duty tarp.
* daily added 12 ml of Excel

On 12/9 I:
*I did a 75% water change, removed some more decayed plant matter, set up the electronics as follows:

* light timers 12pm to 10 pm, for 2 X 96, 4pm to 6pm for the second set of 2 X 96
* CO2 10 am till 9 pm - this was changed Monday morning to 11am to 9 pm because in the morning, the fish were acting like they were O2 deprived.
* Fed the fish & shrimp
* dosed as follows (double the 40 - 60 in the dosing sticky):
1 tsp KN03
1/4 tsp KH2P04
1/4 tsp K2S04
1/4 tsp CSM + B + Fe

And plan to dose on S, M, W, F
1 tsp KN03
1/4 tsp KH2P04
1/4 tsp K2S04

and Tu, Th
1/4 tsp CSM + B + Fe

I've also added some rotala, and hygros to help

If I wanted to add more CO2 I would have to add a diffuser since both my reactors end up with about 1/2" of gas toward the end of the day (no pearling in tank).

Also,
Pics of the tank pre blackout can be found here:


Please let me know if I am on the right track, or if there is something else I should do, or adjust.


Thanks for your time.

Walter

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Last edited by tazcrash69; 12-14-2006 at 01:12 AM. Reason: clarification on photos
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post #2 of 6 (permalink) Old 12-14-2006, 12:37 AM
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The lighting looks good except the 4-6 pm period. I would stop that as of now. Worst thing for an unbalanced tank is more light.

Ya might wanna cut that 10 hour period down to 8.

I would also cut back on the ferts a tad, an give the plants time to catch back up.

Get the c02 crankin, an when the plants start responding, you might increase the light a tad, as well as the ferts.
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post #3 of 6 (permalink) Old 12-14-2006, 10:14 PM
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Walter, how are the plants looking?
Your dosing looks fine, I would dose the Excel only as the bottle recommends, every other day.

Are you giving the water some good aeration at night with spraybar?

Sounds like your really close to bliss, just need to tweak some things and find out what is actually hurting the plants, they are the life of the tank.

Craig

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post #4 of 6 (permalink) Old 12-15-2006, 12:49 PM Thread Starter
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Bastalker, thanks for the idea. I was actually goning to cut out the 4-6 (still might cut down on the 10 hour cycle), but read on.

Actually the plants are looking better than when I was trying the low-tech with CO2 approach, and growing more. Yesterday when I got home I was going to take out the 4 to 6 period of high light, but noticed @ ~5:45 that I was having some pearling. Don't get the wrong Idea, it wasn't a champagne glass, but while I watched probably about 6-10 bubbles a minute rise up out of the ground cover, and other plants. Not a chain of bubbles from a tissue break, but some additional bubbles.

There is no surface turbulance from my spray bars. I use a surface skimmer on my 2213 to keep the film at bay, but the surface is a glass sheet. I'm worried that if I disturb the surface too much, I won't have enough CO2 since my reactors seem to back up toward the end of the day.

I do think some BBA is starting to come back. I think the stuff on my heater wire never truely died off during the blackout. I usually don't dose Excel in the tank, but I can start every other day daily doses. Would that be with Macros, Micros, or does it not matter (my guess)?

Walter

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post #5 of 6 (permalink) Old 12-15-2006, 10:00 PM
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BBA aside, I'm with Mark on dropping the photoperiod to 8 hours with one bank. Once things are good to go maybe bring the second bank on for 2 hours and later to 3 then to 4 hours maybe.

I recently dropped my lights down to 7 (and now 8 hours) and it has really helped. That was Craig's suggestion to me. Currently my second bank is on for about 3 hours midday. Thread algae I was battling for a long time is pretty much toast. I also starting dosing a lot more PO4 and KNO3 darn near EI levels. I'm now becoming a belated EI convert... Goodluck Walter. Bob





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post #6 of 6 (permalink) Old 12-16-2006, 03:01 PM Thread Starter
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Bob, Craig, Mark

Thanks for the suggestions, It's really appreciated.

I did notice more bubbles yesterday during the high light, but I will bring down the 10 hours to 8 on the first bank, shut off the second bank for a while, and start alternating daily doses of Excel.


.

Walter

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