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post #1 of 4 Old 08-02-2014, 11:58 PM Thread Starter
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driftwood question

i have been using a series of small betta tanks to work my way into the large tank i want. i have a decent grasp on aquatic plants. i have figured out after a few attempts diy co2. substrates, water parameters and temps. i was looking to get some drift wood to start playing with it and mosses. my gf was picking up some more ghost shrimp a couple weeks ago and noticed that the store sold driftwood already in there tanks with a plant in a hole drilled in it. so she bought one and brought it home.

i picked my most heavily planted betta tank. its rehabs tank. i named him that after a problem with his tank almost killed him, it took a couple weeks but he pulled through. i pulled out the fake stone cave and put the driftwood in. within and hour all 14 ghost shrimp that were in the tank died. i fished them out and the nest day i tried to add 5 more... same thing. so i pulled the driftwood out of the tank. i pulled the plant out and separated them. the plant went into another tank the driftwood went into a bucket.

i let the plant float for a few days then planted it and nothing happened to the fish or shrimp in that tank. after a few days the wood was starting to dry out some so i scrapped it off some and boiled it for over and hour and let it soak for a few more. i rinsed it off, did a 100% water change and put it back in the tank. a couple days later i added two ghost shrimp and the same thing happened. at this point i decided that the shrimp werent going to happen in this tank anymore. i figured that since the betta had no problems i would try something else. i bought 3 albino cory cats today, i wanted 5 but they only had 3 so i can always add the others later. with in 20min in the tank 1 was belly up and the other 2 didnt look far from it. i pulled them out and dropped them into another betta tank. i didnt have time to acclimate them to the tank since whatever was killing them was in the water. the 2 corys seem fine now. it took a couple hours put they perked back up some.

now the questions...
1 what could be causing everything except the betta to die.
2 how can i fix it.
3 are there other fish i can try.

and 4 they had a version of cory cat that is a little smaller. will they mix with the ones i have already or should i treat them like a different school?
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post #2 of 4 Old 08-03-2014, 09:38 AM
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Originally Posted by frogman1980 View Post

now the questions...
1 what could be causing everything except the betta to die.
2 how can i fix it.
3 are there other fish i can try.

and 4 they had a version of cory cat that is a little smaller. will they mix with the ones i have already or should i treat them like a different school?
Well, you've got some seriously contaminated wood, there. I wouldn't use it in any tank at this point.

I do know that wood sold for aquariums and wood sold for reptiles are different; any chance this was in a reptile tank, not a fish tank?

Copper will kill off shrimp quickly.

Test the pH with the wood in there, wood can seriously drop the pH. Since you had an issue with the corys as well, I would suspect this. I have one piece of driftwood which was seriously dropping my pH levels, as well. I put a net bag of crushed coral in the filter, and that stabilized the pH, so I could keep using the piece of wood.

Do you have any way to backtrack and learn what the wood is? Mopani, Malaysia yellow, etc. They each have their own traits, and belong in certain biotopes ONLY.

Now your last ? - mixing cories. They will school together because they have no choice. Cories are schooling fish. They much prefer their own type, and will be happier, feel safer, and thus be healthier, if you stick to one variety.


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post #3 of 4 Old 08-05-2014, 03:37 AM Thread Starter
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i think you were right. i bought a new bottle of solution and tested the ph again. its testing so low its not ever reading.

while i was at the other store they had two more albino corys so not the other tank has 3 ghost shrimp, 4 albino corys and one less than happy betta. he isnt attacking anything so i am assuming everything will be fine.
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post #4 of 4 Old 08-05-2014, 08:37 AM
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Glad you sorted that out.


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