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Here's what happens:
After water change, nitrates are at 15.
One week later, before water change, nitrates are at 40 and discus can't handle them that high from what I've been led to believe. I don't test dutifully enough to find how quickly nitrates rise to 40, I just know that the system Ive put in place is working for the stock I have in place. Hopefully the pothos can keep them that way.


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My mother plant consumes roughly 25ppm nitrates per week. Mind you its been planted for a year. But after the first 3 weeks or so it was about 10ppm, bigger it gets the more it consumes. My messy 6 adult rbp in my 125gal only need a wc almost every 2 weeks and my n03 peaks at 20-25ppm, I have an open top so evaporation is prevalent therefore between wc I top off about 8gallons of h20 and my fish thrive!

Never doubt pothos power :cool:




×Go S Vettel #1 Infiniti Redbull! 3x WDC!!!×
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Cheap way to decrease nitrates and keep your fish healthy: http://monsterfishkeepers.com/forums/showthread.php?t=504763
 
My mother plant consumes roughly 25ppm nitrates per week. Mind you its been planted for a year. But after the first 3 weeks or so it was about 10ppm, bigger it gets the more it consumes. My messy 6 adult rbp in my 125gal only need a wc almost every 2 weeks and my n03 peaks at 20-25ppm, I have an open top so evaporation is prevalent therefore between wc I top off about 8gallons of h20 and my fish thrive!

Never doubt pothos power :cool:




×Go S Vettel #1 Infiniti Redbull! 3x WDC!!!×
__________________________________________________________________

Cheap way to decrease nitrates and keep your fish healthy: http://monsterfishkeepers.com/forums/showthread.php?t=504763

:popcorn: You both raise challenging arguments with definite possibilities of moderate success. Unfortunately the OP's situation will require quite a bit more than moderate to successfully house Discus. For argument sake lets say you're gonna add 3 or 4 adults (more forgiving). 15 ppm after a water change w/ present stock is still on the high side for Discus. 75g is not gonna be enough water or space for this group of 10 or 11 to thrive. You couldn't dangle enough plants to make a significant difference in nitrates. Even with major W/C's you would be hard pressed to maintain a consistent 10 ppm. Other cichlids can fare well for a time in high nitrates (not long), Discus require more pristine surroundings to thrive. The more water or less fish, the slower the nitrate creep. Adding plants to an already under control situation could prove beneficial in further lowering the count but a closed environment is still gonna require the keepers hands on to maintain consistency.
 
4-6 discus should be easy enough to maintain happily for life in your set up, maybe with the addition of an extra filter. If you get a larger group, separation or an upgrade may be necessary as the discus grow and pair off. On a side note: I personally prefer bamboo opposed to pothos.

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4-6 discus should be easy enough to maintain happily for life in your set up, maybe with the addition of an extra filter.

:popcorn: Not for nothing but 4 to 6 adult Discus added to 7 adult Angels is a heck of a bio-load for only 75g of water not to mention the lack of elbow room. An xtra filter is not gonna solve that problem.
BTW bamboo is a nice touch. "T:
 
P.A., How come you always make these threads about stocking your 75 or getting all these fish but never post pictures? People want to see!


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P.A., How come you always make these threads about stocking your 75 or getting all these fish but never post pictures? People want to see!


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Why do you make stupid threads about young people not being capable of fishkeeping?
Your never going to live that one down.
Anyway, I make threads about fish I want to get or could get. Most of the time the thread is where it ends however and I never actually get the fish in my possession.
Anyway, I have two 75's. one with an RD there's already a thread about, and the tank in question in this thread there's a picture of below.


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Why are your nitrates 15ppm after a water change? Do you have nitrates in your tap water?

Discus nitrates need to be kept around or under 10ppm, I wouldn't let them go above that for very long or you'll runt/stunt the fish and it may lead to other issues (like HITH) in adults. So if your tap has nitrates already and you can't get tanks lower than 15ppm, I'd say discus aren't for you right now. I'm just trying to spare you the expense and the trouble up front.

A 75 gallon tank would be great for a group of adult discus but when you say "a few" I'm picturing one or two, and so I'm assuming you don't understand the discus pecking order. You need to read up on that first. There's a reason people recommend 6 discus when starting out. And that number, along with that many angels, isn't going to work in a 75 gallon unless you did large daily water changes to keep the nitrates and DOC down.
 
Why are your nitrates 15ppm after a water change? Do you have nitrates in your tap water?

Discus nitrates need to be kept around or under 10ppm, I wouldn't let them go above that for very long or you'll runt/stunt the fish and it may lead to other issues (like HITH) in adults. So if your tap has nitrates already and you can't get tanks lower than 15ppm, I'd say discus aren't for you right now. I'm just trying to spare you the expense and the trouble up front.

A 75 gallon tank would be great for a group of adult discus but when you say "a few" I'm picturing one or two, and so I'm assuming you don't understand the discus pecking order. You need to read up on that first. There's a reason people recommend 6 discus when starting out. And that number, along with that many angels, isn't going to work in a 75 gallon unless you did large daily water changes to keep the nitrates and DOC down.

1.) I meant more like 4 fish.
2.) No nitrates in my tap water. Just a beginner mistake on my first tank that led some kinda high nitrates that have balanced at a little above average. Thank god I had hardy fish like angels in the tank to start off.
3.) ill be buying a 75 for the discus. Ill be getting a shoal of 7. I've kept em before, failed, and now am better prepared to try them again with more experience and patience. I've read a lot, but there's always more I can read. Thanks!


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