Seachem Flourish Excel dosing - The Planted Tank Forum
 
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post #1 of 9 (permalink) Old 10-06-2014, 09:37 AM Thread Starter
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Cool Seachem Flourish Excel dosing

hi all

i have a 26 gallons (100L) and have some BBA on the substract and in some leaves.
i have about 10 ottos, 10 amano´s, 5 Styphodon Ornatus and a pair of Ramirezzis, have other ones but this were my most sensitive fish.

This is my plants:

Cryptocoryne Green
Anubia sp. "Petite"
Alternanthera reineckii 'Pink' (roseafolia)
Alternanthera reineckii 'Mini'
Micranthemum sp. "Montecarlo"
Pogostemon erectus
Echinodorus bleheri
Echinodorus "red diamond"
Ludwigia sp. Red
Flame Moss
Spiky Moss
Christmas Moss
Hygrophila polysperma 'Rosanervig'

I have pressurize CO2 about 3/4 bps on a inline diffusor and im on E.I dosing...

Seachem recommend 1 capful (5 mL) for every 40 L (10 gallons) and then 1 capful for every 200 L (50 gallons) daily or every other day.

So, for the Excel act like a algicid, we have to overdose it but what is the dose to overdose?
The 5ml for 40L or the 5ml for 200L?

I start yesterday dosing 15ml, dont see any fish gasping so i dose another 15ml today.

Already see some BBA turn pink/red...

Should i continue to dose 15ml?
Should i dose more or less?
For how long?
Have i some plants suitable of melting with Excell?

Thanks...
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post #2 of 9 (permalink) Old 10-06-2014, 03:35 PM
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I know some crypts can melt and if its turning red its dieing whick is good. Ive used it from day one to control algea and i havent haf any melting. Im sure slme one on here will know more about overdosing i use it at labeled instruction most of the time.
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post #3 of 9 (permalink) Old 10-06-2014, 04:59 PM
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Most here seem to suggest skipping the large initial dose, although it seems to be working for you so far.

I actually started at half the daily dose rate, then worked up after a week. My crypts were fine with that.


Since Excel breaks down pretty rapidly, that large dose isn't going to do anything in the long run. Perhaps it might be helpful if you have a bunch of algae you want to knock down (which you seem to have), but it is also more likely to damage sensitive plants.

Regardless, I would drop back down to 2.6ml/day (the normal label rate for all doses after the first) for a while and watch for plant stress. If you have algae issues, use spot treatment with a straw/pipette/eyedropper to focus the excel where you need it, but stick to 2.6ml/day for a while.

I would not continue at the 15ml rate, as even Seachem recommends that as a one-time-only dose.
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post #4 of 9 (permalink) Old 10-06-2014, 09:48 PM Thread Starter
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thanks all for the replys.
indeed, the 15ml seems to be quite excessive.
Tomorrow i will reduce the dosing to 7.5ml.
in this way it will be 3 times the recommend to my 100L and see how the plants and fish will be...
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post #5 of 9 (permalink) Old 10-06-2014, 10:27 PM
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Excel wont make the fish gasp (within reasonable amounts). The way it breaks down/converts isnt like real co2.

The only plant I see on your list that may be sensitive is the crypt. I used 3x daily for several months on my 75 and it never affected the three varieties I had. Although you do hear about crypts melting from some people. It wasnt my experience.

If the algae is turning red/orange, that's a good sign. 3x the dd sounds like a good plan for another week or so. Then, you may want to continue with just the recommended daily amount on a permanent basis. 3/4 bps of real co2 isnt that much for 25 gal. All bubbles arent created equal of course, but I'd get that up to 2 bps if possible.


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post #6 of 9 (permalink) Old 10-07-2014, 10:47 AM Thread Starter
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Quote:
Originally Posted by burr740 View Post
Excel wont make the fish gasp (within reasonable amounts). The way it breaks down/converts isnt like real co2.

The only plant I see on your list that may be sensitive is the crypt. I used 3x daily for several months on my 75 and it never affected the three varieties I had. Although you do hear about crypts melting from some people. It wasnt my experience.

If the algae is turning red/orange, that's a good sign. 3x the dd sounds like a good plan for another week or so. Then, you may want to continue with just the recommended daily amount on a permanent basis. 3/4 bps of real co2 isnt that much for 25 gal. All bubbles arent created equal of course, but I'd get that up to 2 bps if possible.

My cripts dont show any sign of melting, so thats good.
today i dose just 7.5ml, that is 3x the dayly dose to my 100L tank just to play safe...
All BBA is reddish so it is doing its job very well, much better that a product from an italian brand, EQUO,that was a big flop...

Thanks for sharing...
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post #7 of 9 (permalink) Old 10-07-2014, 02:29 PM
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Why don't you buy a syringe? Load up 6ml of Excel and apply directly over the algae. Might take a few days to hit every area if you do not want to overdosebut this is MUCH more effective that just dropping the excel into the top of the tank.

http://www.drsfostersmith.com/produc...fm?pcatid=9605
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post #8 of 9 (permalink) Old 10-07-2014, 02:41 PM Thread Starter
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Quote:
Originally Posted by laconic View Post
Why don't you buy a syringe? Load up 6ml of Excel and apply directly over the algae. Might take a few days to hit every area if you do not want to overdosebut this is MUCH more effective that just dropping the excel into the top of the tank.

http://www.drsfostersmith.com/produc...fm?pcatid=9605
hello there,

i usually use a syringe to dose H2O2 on spot, on the substract but i think that it kill some parts on my carpet plant, monte-carlo, so i leave this approach.

The excel is doing is job, i think. Perhaps i keep dosing a few more days, let´s say a week, and go from there...

Thanks
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post #9 of 9 (permalink) Old 10-07-2014, 02:45 PM
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If you put the excel (not h202) into the syringe and spot dose the algae, it will not kill your plants.

Last edited by laconic; 10-07-2014 at 02:46 PM. Reason: spelling
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