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Old 10-04-2014, 11:23 AM   #1
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DHG not growing

Hey guys, almost one year in here with a high tech planted 55 gallon, thanks to all of you for continued advice!

I'm having a problem growing dwarf hair grass and am a bit stumped as I shouldn't be having these problems as I have all the right equipment... Also I never lost the slight algea bloom and the UV green killing machine isn't really helping... From the pics you'll see the green! (Though keep in mind I do have an Iwagumi light)

Stats below and pics attached, any help would be appreciated! Thanks in advance!
Alex

- High light Build my Led 7000 Iwagumi spectrum, 75 degree angle, 6 hours light with 1 hour interruption @ 50%. I suspected this was too low and tried a few times raising to 60% so the light could reach the DHG at the bottom, but would then get grey beard algea everywhere...

- Daily PPS dosing, using Rivercat's method separating the Nitrates

- pressurized Aquatech CO2, 2-3 bubbles/second using Greenleaf's atomic diffuser

- ammonia zero, nitrites zero, nitrates 30-40 ppm, PH 7-7.2

- weekly 33% water change (NYC tap water!)

- KH color turned after 2 drops and GH after 4


(My cousin built the stand using the standard Aqueon stand and reclaimed wood google Fallen Industries, pretty cool!)

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Old 10-04-2014, 07:29 PM   #2
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Quote:
High light Build my Led 7000 Iwagumi spectrum, 75 degree angle, 6 hours light with 1 hour interruption @ 50%. I suspected this was too low and tried a few times raising to 60% so the light could reach the DHG at the bottom, but would then get grey beard algea everywhere...
Meaning that you run your lights at 50% for 6 hours and have one hour with it off?
Do you have a drop checker?
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Old 10-04-2014, 07:41 PM   #3
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That's right, too much or too little?

Haven't had the drop tester in there for a while, just put it in, will report back tomorrow morning with the results!

Thanks!


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Old 10-07-2014, 11:45 AM   #4
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Drop checker in two days now, more blue than green, looks like the problem could have been insufficient CO2, i've been slowly increasing flow, you think 6 hours photoperiod will be sufficient? also can i just leave the drop checker in or does the fluid need to be replaced regularly?

Thanks again for your help!
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Old 10-07-2014, 12:45 PM   #5
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That's a very small amount of DHG in a very large tank.....did you want to carpet that whole open area??
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Old 10-07-2014, 12:48 PM   #6
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lol there were originally 4 pots and most died off... my understanding is that it grows fast so i didnt buy more... if indeed the problem was lack of CO2 i'll get more, thanks!
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Old 10-07-2014, 02:39 PM   #7
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Originally Posted by Alexgcraig View Post
lol there were originally 4 pots and most died off... my understanding is that it grows fast so i didnt buy more... if indeed the problem was lack of CO2 i'll get more, thanks!
from my experience (though little) I suggest getting more lol. Im growing some in a 5 gallon tank right now and its true that when its conditions are met it grows like a weed.
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