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Old 06/04/2018, 04:26 PM   #1
mynorrodas
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Clams And GFO

Hello!
I have 3 clams in my tank, 1 derasa and 2 croceas since 3 or 4 years ago... Ive used GFO for 2 years and stopped using that for 1 year. Ive been having green algae problems on sand so I added gfo to my aquarium and now my phosphates has been in 0.02-0.05. 1 of my croceas is gaping and not very happy, i think hes dying. Do you think that gfo would affect my other clams?
Ive read before that gfo causes clam gaping.


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Old 06/06/2018, 06:45 AM   #2
MondoBongo
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i have heard anecdotally that GFO can cause issues for clams. i've been running GFO for years in my tanks with clams, and haven't had any issues (crocea and derasa).

i do use a filter sock on the outlet from my media reactor, to try to catch any fines.

it could be that it stripped the water too aggressively, and it will take some time for the clams to adjust.


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Old 06/06/2018, 10:17 AM   #3
mynorrodas
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Quote:
Originally Posted by MondoBongo View Post
i have heard anecdotally that GFO can cause issues for clams. i've been running GFO for years in my tanks with clams, and haven't had any issues (crocea and derasa).

i do use a filter sock on the outlet from my media reactor, to try to catch any fines.

it could be that it stripped the water too aggressively, and it will take some time for the clams to adjust.
Thanks!! One of my clams died... But the others are fine I think it is that they need time to adjust to the new water parameters.


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Old 06/06/2018, 01:36 PM   #4
MondoBongo
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oh no! sorry for your loss. glad to hear the other ones are doing well.


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Old 07/03/2018, 03:50 PM   #5
techdef
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Yeah, I eased my GFO usage in over a few months to not stress the clammies


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