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Planning for a 20 gallon

This is a discussion on Planning for a 20 gallon within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> Originally Posted by Byron You will likely have problems with mollies in your water. Molly is a livebearer, and all livebearers require hard basic ...

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Planning for a 20 gallon
Old 04-24-2011, 01:53 PM   #21
 
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Originally Posted by Byron View Post
You will likely have problems with mollies in your water. Molly is a livebearer, and all livebearers require hard basic (alkaline) water; in soft water they readily fall victim to disease, often fungus and such, because of the lack of mineral. When I had mollies with my soft water, I used a substrate of dolomite gravel to raise the hardness (calcium and magnesium) and corresponding pH.

You have soft water, so soft water fish should be your focus.

Also, the "balloon" type fish are I believe quite prone to health issues due to the deformity. I will leave it for those with more knowledge on this to comment, but I myself would not buy such fish.
Very true regarding balloon mollies. They are a hybrid and come with tons of issues. I just recently lost mine...he went through an uphill battle with diseases before he finally gave out after coming down with dropsey (had ich just months prior). They have weaker immune systems than other mollies, and they have difficulty swimming normally as they kind of waddle in the water like a penguin does on land.

Yes, the livebearers like the harder water, which is one reason I have so many as the fish I truely want cant live in my water, so I have to work with what fish I can keep (still tons, as my water isnt incredibly hard, just moderate hard).

And just to comment on the massive breeding of mollies...if you go with all one sex it isnt an issue. Some have issues with aggression between the males, but if you have like 4-5 of them it is spread out and not an issue. On this note, I have also witnessed the balloon mollies have a very persistant personality compared to other mollies who tend to be a bit more forgiving with their attention span. What I mean is that a balloon molly tends to be more focused on aggrivating other fish, especially other mollies (male or female), until that fish is either super stressed out or until that fish turns around and gets aggressive.

The balloon mollies are cute though, but after my experiences with them, I will no longer give into those fat lil guys, no matter how cute they look when the waddle past the front of the tank.
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Old 04-24-2011, 02:30 PM   #22
 
In response to what kind of fish...I have a 20 gal planted tank that I started last October. My water PH is 7.4. I have had 7 lemon tetra since starting up my tank. At first their colour was just pale yellow, but within a week of settling in, their beautiful black markings on their dorsal and underneath (I'm not altogether familiar with fishy terminology) fins came out. They are active and fun to watch as they chase each other and also enjoy leaping for food at feeding time. I like the yellow fish with the green plants.

I have 2 panda cories which I love, although I did start out with 5. According to my LFS, pandas are not commonly stocked by them so I couldn't replace the lost pandas. They swim all over the tank at all times. However, I did need to add 3 more laser striped cories to make the pandas comfortable.

My laser stripe cories have been in the tank for 2 months and spend the day under the driftwood in the tank. I can only see them swimming around at night with minimal night lighting on and they quickly hide if I do anything to try and see them in daylight. In that sense, I'm kind of disappointed that I can't really watch them. But I do know they are healthy when they come out to feed at night...I just can't see what they really look like.

So that's my thoughts about what I enjoy in my 20 gal
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Old 04-24-2011, 03:15 PM   #23
 
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Originally Posted by brownmane View Post
In response to what kind of fish...I have a 20 gal planted tank that I started last October. My water PH is 7.4. I have had 7 lemon tetra since starting up my tank. At first their colour was just pale yellow, but within a week of settling in, their beautiful black markings on their dorsal and underneath (I'm not altogether familiar with fishy terminology) fins came out. They are active and fun to watch as they chase each other and also enjoy leaping for food at feeding time. I like the yellow fish with the green plants.

I have 2 panda cories which I love, although I did start out with 5. According to my LFS, pandas are not commonly stocked by them so I couldn't replace the lost pandas. They swim all over the tank at all times. However, I did need to add 3 more laser striped cories to make the pandas comfortable.

My laser stripe cories have been in the tank for 2 months and spend the day under the driftwood in the tank. I can only see them swimming around at night with minimal night lighting on and they quickly hide if I do anything to try and see them in daylight. In that sense, I'm kind of disappointed that I can't really watch them. But I do know they are healthy when they come out to feed at night...I just can't see what they really look like.

So that's my thoughts about what I enjoy in my 20 gal
Sounds like a nice set up you have there, brownmane. Have you considered trying to add a couple more cories to see if that might help? Or might that overcrowd your bottom? Either way, I can imagine what a beautiful color combo the yellow and the green would have.
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Old 04-25-2011, 01:14 AM   #24
 
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OK so based upon what is available locally I think I am going to go with this plan:

Plants: Java Ferns, Anubis Nana, and some other Anubis varieties.

Fish: Tetras, probably two schools of different species, or one school of one species and then maybe danios? Bottom feeders I am still indecisive between Loaches, corys, or Rubber Lip Plecos.
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Old 04-25-2011, 02:24 AM   #25
 
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OK so based upon what is available locally I think I am going to go with this plan:

Plants: Java Ferns, Anubis Nana, and some other Anubis varieties.

Fish: Tetras, probably two schools of different species, or one school of one species and then maybe danios? Bottom feeders I am still indecisive between Loaches, corys, or Rubber Lip Plecos.
I am very fond of my cories. My peppereds and albinos are very active, regardless of time of day, in my large community tank, but were more skittish in a 10 or 14g tank. If you have enough hiding places, plants and other decor, they might like your 20g. I would think loaches and plecos would both get too big for a 20g, but I could be wrong, as I've not had either. Just my impression from what others have said.
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Old 04-25-2011, 01:42 PM   #26
 
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OK so based upon what is available locally I think I am going to go with this plan:

Plants: Java Ferns, Anubis Nana, and some other Anubis varieties.

Fish: Tetras, probably two schools of different species, or one school of one species and then maybe danios? Bottom feeders I am still indecisive between Loaches, corys, or Rubber Lip Plecos.
A 20g is too small for loaches except one of the dwarf species [two are included in our fish profiles, the Dwarf Loach and the Banded Dwarf Loach]; they must be in groups of 5 or more.

A rubberlip pleco attains 4-6 inches and I would not house one in a 20g. A group of corys (also a shoaling fish, 5-6 work well) is one option.

In a 20g I would say one species of shoaling fish if they are the "average" sized species like most of the tetra. And danios, being active swimmers, would fare better in a 20g long rather than a 20g high. If you go with the "dwarf" species, you can have several groups which means more interest in a relatively small space.
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Old 04-25-2011, 05:17 PM   #27
 
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I vote cories! :)
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Old 04-25-2011, 10:49 PM   #28
 
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Sounds like a nice set up you have there, brownmane. Have you considered trying to add a couple more cories to see if that might help? Or might that overcrowd your bottom? Either way, I can imagine what a beautiful color combo the yellow and the green would have.
Thanks. I thought that one or two more cories might be overloading the tank.
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Old 04-25-2011, 10:52 PM   #29
 
I love my cories! I would vote cories as well. But don't rush...cories do need an established tank.

Last edited by brownmane; 04-25-2011 at 10:52 PM.. Reason: typo
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Old 04-27-2011, 01:23 AM   #30
 
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Woo! We got accepted to an awesome place! Moving in this weekend, and then next week I can start fussing with my tank.

Also found the water quality survey for the past year for the city of Santa Cruz. Doesn't list ph but lucky for me that's an easy enough test to preform

http://www.cityofsantacruz.com/Modul...cumentid=19831

Last edited by iamtetsuo; 04-27-2011 at 01:41 AM..
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