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Old 12-31-2012, 08:14 AM   #1
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Default A Mistake I've Made!

I am just now starting up my first aquarium. I've made plenty of mistakes along the way and I'm sure that all of you have also made mistakes. Sharing these experiences will help everyone out! What mistake have you made and how did you fix it? Please limit to 1 mistake per post!

... I didn't realize the Ammonia test kit provided by API needed to sit for 5 minutes before giving an accurate reading. I looked at the results immediately after mixing the solution and saw .25ppm of ammonia so I went to add more to my tank. By the time I finished adding more ammonia to the tank, I came back to the desk where I left the ammonia test tube and it was suddenly dark dark green (over 8ppm ammonia). OUCH! 75% water change brought me back down to manageable levels of ammonia :]
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Old 12-31-2012, 10:22 AM   #2
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i put a pair of 3 1/2" jewel cichlids in a 75 gallon tank with a 12" red devil....bad move...

if we ignore nature;maybe it will go away

10 gallon..nothing but air

10 gallon...just more air

10 gallon...stale air

just don't ask about the rest
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Old 12-31-2012, 01:07 PM   #3
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that will teach you to read the how to with api test kits lol
mistake i made was cycling a tank then dropping in a large lump of bog wood into the tank soaked in tap water, knocked the cycle back a while lol
190L corner with a variety of fish i will not mention as its ever changing and i cant be bothered to keep editing a sig
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Old 12-31-2012, 01:14 PM   #4
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Not fishless cycling my first tank. All inhabitants died. I was harassed for not cycling it first, but I did not know what it was or that it needed to happen, and PetSmart does not take fish back so I was stuck. I was told I was overfeeding the tank. I was literally counting out 4 flakes of food and only putting those in there once a day. The mistake was bad enough as I hate loosing fish and I was crying when each one died. The harassment and treatment like I was the worst person around was worse.

I always tell folks to fishless cycle, but when you are stuck you are stuck- can't change that, can only do better from there!

20 Long: 4 albino Corycats, 4 red line tetra's, 6 Black Neon Tetra's, 1 Rubber lipped pleco- 8 years old now, never grew! 1 Blue Dwarf Gourami.

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Old 12-31-2012, 01:34 PM   #5

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I left the faucet on and the valves shut of my "python-like" device and went to bed. The valve, of course, blew off the end of the clear hose and the hose tried to fill the entire basement with water. MY concrete-floored fish room was fine, but the adjacent carpeted area where my sister keeps her books and video games was a mess.

Last edited by emc7; 12-31-2012 at 02:26 PM.
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Old 12-31-2012, 02:23 PM   #6
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Probably trying to spawn bettas that weren't conditioned properly.
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Old 12-31-2012, 02:56 PM   #7
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Putting guppies in my tank in general. The other fish eat them up and kill them within an hour.
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Old 12-31-2012, 04:56 PM   #8
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Giving in to the lure of buying new fish too often. Before I knew it I had no spare tanks and the maintenance was beginning to weigh down on my schedule.
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Old 12-31-2012, 07:56 PM   #9
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Not doing water changes diligently once a week like I was supposed to. Now I do water changes diligently every week so my fish are not getting sick.
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Old 01-01-2013, 10:48 AM   #10
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Not doing any research before I put a kenyi cichlid and a blue gourami in the same tank beck before I knew anything about fish keeping.
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Old 01-01-2013, 06:01 PM   #11
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Getting my first fish July 8th, 2010, since then, i can't stop, the hobby just keeps growing, I'm sure many of you relate
5 gal tank
many cherry shrimp and dwarf rasboras
10 gal tank
johanni fry
20 gal tank
4 amano shrimp
2 nirite snails
1 bolivian ram
55 gal tank
2 synodontis catfish (one nigriventris and one nigrita)
5 yellow labs
1 jewel cichlid
3 johanni(one is electric blue)
4 acei
1 ice blue cichlid
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Old 01-01-2013, 07:07 PM   #12
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Not being diligent on cleaning my 10g. Far to used to being relaxed with my 125g. Lost a puffer and a green phantom pleco.
" To reach manhood, we are all cast into the fire and purified by pain "

125g - 13 Denison barbs, 3 brilliant rasboras, 4 scissor tail rasboras, 5 red eye tetra's, 2 SAE's, 1 common pleco
34g - Driftwood and gravel 10 ghost shrimp, L128 pleco
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Old 01-02-2013, 12:35 AM   #13
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I accidentally put a flat rock down on top of our female mudskipper during a tank rearrangement and she drowned/got squished. No fixing that. And then her boyfriend committed suicide out of grief.
At least I like to think that's what he did - how (romantic? tragic?)!

We ended up replacing them both.

65 community - Giant Danios, Pearl Gouramis, Neon Rainbowfish, Silvertip Tetras, Neon Tetras, Emperor Tetras, Spotted Corydoras, Weather Loaches, Siamese Algae Eaters, Apistogramma Agassizii (Agassizi's Dwarf Cichlid), Nannacara Taenia (Striped Dwarf Cichlid)
40 breeder - currently in blackout, no fish
10 community - Fancy Guppies, Cherry Shrimp, Pond snails, Lots of Java Moss
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Old 01-02-2013, 12:33 PM   #14
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buying a chinese algae eater! Little monster ate algae great, then grew up and attacked my entire tank, including nice angel pair. Nearly killed my dwarf gourami before I could get him out of my tank. Never will have another of those little pyrahnna wannabes, but luv my ottos, who do what I thought the algae eater would do, only without the psycho killer part.
20 gal; well planted
2 angelfish
4 cherrybarbs
5 cardinal tetras
1 dwarf gourami
3 oto catfish
1 bristlenose pleco
1 crown tail betta
2 rasboras
1 cory cat
a few shrimp
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Old 01-02-2013, 01:09 PM   #15
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Listening to the woman at Petco and buying six livebearer fish for my very first (ten gallon) tank. Four out of the six died from ammonia poisoning... bad idea.
Fish seller and breeder
Hit me up at my online aquarium store!

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