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Old 10-19-2018, 10:31 PM   #1
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New to a fish tank and got a 20 gallon freshwater. Need advise please.

Hi everyone,
Iím new to having a fish tank. I got a 20 gallon Aqueon LED tank with 1 blue gourami, 2 cobra guppies, 1 Cory Catfish, 1 Albino Bristlenose Pleco, and 1 bristlenose pleco. I have a power flow filter on the back of the tank and a air stone, with some rock decor and 2 live plants. I did my first water test after two weeks and the results are as follows:
High range pH 80ppm
Ammonia 1ppm
Nitrite .25ppm
Nirates 0ppm

What should good numbers look like and how do I get them there or keep them there? Should I perform a 15% water change or 25% every other week? Plus my regular bristlenose pleco hasnít come out from the little cave on the right side of the tank for 3 days and I canít se him, should I be worried? Sorry for so many question. Just trying to learn, keep the tank clean, and keep the fish alive.

Thank you,

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Old 10-19-2018, 11:00 PM   #2
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You are essentially doing a fish in cycle as your tank isn't cycled. You want to keep your ammonia at .25 ppm. Your nitrites at 0 and never above .25 ppm. Your nitrates not above 40 ppm.

First thing you should do is two 50% water changes back to back asap. Get that ammonia down to .25 ppm. Remember, for example, if you have .50 ppm and you do a 50% water change you will then have .25 ppm.

Test your water daily to establish a water change schedule. Be prepared to change your water frequently and more of it.

Feed lightly during the cycle process.

Good luck and keep us updated.

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Old 10-23-2018, 04:04 PM   #3
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How big are you bn plecos right now? At full size I would recommend only having one but if they are small then it should be fine right now. But as mentioned above you're basically doing a fish in cycle so removing one of the bn plecos would be beneficial because they have a high bioload. To help with ammonia I would add more live plants, they look great and help filter the water to some extent. Also once the tank is cycled I would add some more Cory cats of the same species, they are a schooling fish.
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