BNP not cleaning GDA
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Old 06-20-2013, 03:52 PM   #1
RainSong
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BNP not cleaning GDA


Hi:

I have 2 BNPs in my 90 gal planted tank. They are 2 years old. I have been seeing some GDA on my glass. Although I have seen the BNPs on the glass at night, they do not seem to be doing a very good job of cleaning it.

I do feed the BNPs zucchini and algae wafers. Do they need to be more hungry?

The GDA seems to be concentrated below my water change line (ie the bottom 50% of the glass).

Thanks.
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Old 06-20-2013, 03:55 PM   #2
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How big are they? In my experience, the younger bristlenoses did a better job of cleaning my aquarium glass of GDA and diatoms.
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Old 06-20-2013, 04:02 PM   #3
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+1 mature fish seem to slow down on how much and what they need or want to eat. As they age trying manage a limited diet just to get them on the algae is something I haven't managed,,, yet LOL
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Old 06-20-2013, 04:35 PM   #4
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Quote:
Originally Posted by RainSong View Post
I have 2 BNPs in my 90 gal planted tank. They are 2 years old. I have been seeing some GDA on my glass. Although I have seen the BNPs on the glass at night, they do not seem to be doing a very good job of cleaning it.

I do feed the BNPs zucchini and algae wafers. Do they need to be more hungry?

Why would they want to eat crummy GDA when they are getting yummy treats like algae wafers and zucchini?
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Old 06-20-2013, 05:16 PM   #5
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try not to feed them anything and see what happen, plus you don't have enough BN in your tank, i recently added 14 of them (smaller size) in my 48g tank.
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Old 06-20-2013, 10:27 PM   #6
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A bunch of small ones, not 1-2 adults, are what is needed. It's like putting 3-4 Amano shrimp into a 90 Gallon and expecting them to clear up a lot of algae, or 1-2 fat adult SAE's, ain't going to happen.
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Old 06-21-2013, 02:30 AM   #7
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Quote:
Originally Posted by plantbrain View Post
A bunch of small ones, not 1-2 adults, are what is needed. It's like putting 3-4 Amano shrimp into a 90 Gallon and expecting them to clear up a lot of algae, or 1-2 fat adult SAE's, ain't going to happen.
I'm not ready to trade-in of my 2-year old BNPs and get a bunch of younger ones .... I guess I'll learn to appreciate the GDA ....
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Old 06-21-2013, 05:44 AM   #8
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Quote:
Originally Posted by RainSong View Post
I'm not ready to trade-in of my 2-year old BNPs and get a bunch of younger ones .... I guess I'll learn to appreciate the GDA ....
Try breeding them, then you'll have plenty of small ones and plenty of rich food to feed them.
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Old 06-23-2013, 02:36 AM   #9
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Is the "wait 3 weeks and then scrape and wc" approach still considered a good bet?
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Old 06-23-2013, 02:54 AM   #10
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Quote:
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Is the "wait 3 weeks and then scrape and wc" approach still considered a good bet?
I have tried that twice and didnt work for me for some reason.
Edit: Actually it never formed a sheet of algae like some say it does. Not sure if it must before scraping or not.
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Last edited by JL15219; 06-23-2013 at 05:13 PM.. Reason: Added more info.
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