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post #1 of 7 (permalink) Old 10-25-2011, 01:48 AM Thread Starter
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nitrate question

is there a suitable nitrate range to stay within,to keep plants thriving and fish alive and healthy....

my tank is 75g,lighted w/6 t-8's,(2 flora grow,4 daylights),,co2 injected

sub is flourite w/laterite mixed in,,alternating excel and florin multi... daily

fish---4 angels plants..4 bunches wisteria
6 platys ..2 anubias
3 swords ..2 red wenditi
2 corys ..2 java fern
4 serp tetras ..2 bunches anacharis (fish food)
1 rainbow shark ..1moss ball
2 algae eaters
ammonia -0 nitrite-0
my nitate test kit is a cheapy tetra,,i've checked every evening for three days and get the same reading.....12.5 mg/l
i have a 9 hr photo time and after about 6 hrs the plants start bubbling,some from leaves some from roots...
i have very minimal algae growth on glass..

tank has been cycled for 2 weeks now all plants but anacharis are in for 1 week.....
as the plants grow i want to fill in the length of the back w.wisteria,,give the live bearers a place to hide

should i test before and after photo period to collect better data??
does anybody feel i should change any part of my routine,,i know it's early
and everything needs to get established but i don't want anything to crash
thanks....
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post #2 of 7 (permalink) Old 10-25-2011, 01:54 AM
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I don't really test for it, EI works for me, but I've seen lots of people shoot for around 20ppm. I think anywhere from 5-40ppm is okay.


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post #3 of 7 (permalink) Old 10-25-2011, 03:26 AM
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I have luck with the API kit. Just remember to shake bottle #2 very violently before adding it to the sampling tube. Do you add fert? If not, there's no point in testing nitrate. Your source of nitrate or nitrogen is probably derived from fish waste only and maybe some plant decomposition in the water. Your tank is still new. Your plants haven't established themselves well enough yet in the tank to fully use up whatever nitrate you have in the tank. I normally test it at the end of the day. Plants do not use up nitrate at night. Just to give you an idea. I have a 40g tank. My tank looks like this:



I used up about 8 to 10 ppm per day. I keep my nitrate level from 35+ down to 10 ppm.
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post #4 of 7 (permalink) Old 10-26-2011, 01:10 AM
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that's a gorgeous tank!

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post #5 of 7 (permalink) Old 10-26-2011, 01:35 AM
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that's a gorgeous tank!

Thanks. It looks nice from afar. If you look too close, you will see BBA and Staghorn algae. BBA and Staghorn algae are driving me crazy.
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post #6 of 7 (permalink) Old 10-26-2011, 03:26 AM
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I've had ~100ppm nitrates in my tank before while dosing EI.

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post #7 of 7 (permalink) Old 10-27-2011, 11:08 PM Thread Starter
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thanks for all the replies sorry didn't get back sooner,,
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