20gal long stocking help - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 12 Old 07-31-2012, 11:54 AM Thread Starter
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20gal long stocking help

so, i have this new 20 gallon long (30"L X 13"W X 12"H) and i have it all set up with a Aqueon Quietflow20 filter and a 100watt heater. so far is only has 3 bloodfin tetras in it and they seem to be doing great. i was wondering how much more fish i could put in it, keeping in mind that i want to do some combination of julii/peppered cory's and some more bloodfins and possibly a dwarf gourami or another nice centerpiece fish. hope you guys can come up with some good answers for me!!!
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post #2 of 12 Old 07-31-2012, 04:05 PM
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You need more blood fins, at least 5.

What is your PH, GH.

Did you go thru the nitrite sickle ?

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post #3 of 12 Old 08-01-2012, 02:13 PM
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Welcome to Tropical Fish Keeping forum.

As nicolaas mentioned, knowing your source water GH (general hardness) and pH will help us point you in the best direction.

I will also mention our fish and plant profiles, second tab from the left in the blue bar across the top of the page. Each profile has data on preferred water parameters, along with numbers for shoaling fish (like tetra), tank size, etc.

As you've mentioned dwarf gourami, this is a fish I would avoid due to health risks. You can read more in our profile. Click the shaded name. If the common or scientific name used in the profile is types in a post, it will shade as a link to the profile.

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The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #4 of 12 Old 08-01-2012, 03:14 PM Thread Starter
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Thx for the answers guys. im not sure what the hardness of my water is. i will take a sample to Petco as they have free water tests. i also did some research and found that dwarf gourami is indeed a fish i should avoid. i looked at Serpae Tetras. would they work with bloodfins? and yes i do plan on getting some more bloodfins in a week or so.

EDIT: yes nicolaas i am going through the cycle and i am using a product called: Seachem Stability and it works wonders
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post #5 of 12 Old 08-01-2012, 03:17 PM
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I have Julii cories and I love them. Such fun fish!

Instead of taking your water to get tested, can I suggest getting the API master test kit? It will be so much more helpful and you won't have to go anywhere to know what's going on with your water.

-Kristen's tanks:

14g Tall:
Planted, eco-complete, Red Cherry Shrimp

16g Aqueon Bowfront:
Planted, eco-complete, 8 Ember tetras, 7 Green neon tetras, 6 Harlequin Rasboras

36 Aqueon Bowfront: Planted, sand, 10 Julii cories, 8 Zebra Danios
7 Cherry Barbs, Asst snails & Ghost shrimp
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post #6 of 12 Old 08-01-2012, 03:25 PM Thread Starter
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sounds like a good idea. where to i buy this master kit?

EDIT: nevermind i see that you can buy this master test kit at Petco. Does this product have test strips for GH? The webpage doesn't say if it does or not.

Last edited by thenewguy; 08-01-2012 at 03:29 PM.
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post #7 of 12 Old 08-01-2012, 03:26 PM
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I got mine on Amazon, but most pet stores sell them. Should be in the $30 range and 100% worth it!

-Kristen's tanks:

14g Tall:
Planted, eco-complete, Red Cherry Shrimp

16g Aqueon Bowfront:
Planted, eco-complete, 8 Ember tetras, 7 Green neon tetras, 6 Harlequin Rasboras

36 Aqueon Bowfront: Planted, sand, 10 Julii cories, 8 Zebra Danios
7 Cherry Barbs, Asst snails & Ghost shrimp
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post #8 of 12 Old 08-01-2012, 03:43 PM
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It doesn't have any test strips, they are liquid testing agents.. but no, it doesn't come with a test for GH but API does make the test.
I don't even think PETCO would test your GH with their free test, but if they do and use the strips, be cautious because the strips are not very accurate.

You may be able to find the info for your tap water online or by calling your water company. But if you add substrate, driftwood, rocks or anything else that may alter your GH you will have to find a way to test your tank water yourself.
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post #9 of 12 Old 08-01-2012, 03:44 PM Thread Starter
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Ok, here is a recap on what i still need to know: do Serpae Tetras get along with Bloodfins? Would Julii Corys do well with Bloodfins as well? And does the test kit have strips for GH? That is pretty much all that I need to know right now.

EDIT: ok jennesque, i will keep an eye out for some API GH testing agents/strips.

Last edited by thenewguy; 08-01-2012 at 03:47 PM.
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post #10 of 12 Old 08-01-2012, 03:51 PM
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The corys will be fine.. I haven't owned either of those tetras, but reading about serpae I don't know that I would suggest them because they can be so aggressive. You wouldn't be able to get something like a gourami later down the road. I'm thinking you should be OK with the two tetra species and cories, but if you're trying to add anything else later you may want to wait on the serpae tetras.

I'd also suggest waiting to see what your PH and GH are before adding anyone else, although at least the tetras are able to tolerate most moderate water parameters.

Edit: I see that you did see my post. :) btw, the test kit will test ph, ammonia, nitrite and nitrate and will get you through your cycle if you haven't already.
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