Tropical Fish Keeping - Aquarium fish care and resources

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-   -   Are Sea Shells safe for freshwater fish... (

Calmwaters 09-23-2009 11:16 AM

Are Sea Shells safe for freshwater fish...
I purchased some plants (fake) from someone in Hawaii on ebay and included with the plants were some beautiful sea shells I would like put them in my tanks but wanted to make sure it was safe first.

1077 09-23-2009 12:32 PM

Sea shells can raise the alkalinity or pH in your tank depending on size of shells and the tank. Personally ,unless I was keeping African cichlids that appreciate hard ,alkaline water I would not use them.I have more than a few shells that I would think ,would look nicein my tanks but I can't due to afore mentioned results.

Byron 09-23-2009 12:52 PM

Agree with 1077, forget the shells. They are calcium-based and will leech minerals (calcium) into the water raising pH and hardness, either minimal or significantly depending upon the shells. If you are heading towards a planted aquarium as I think you are, this is the last thing you want as it will be detrimental.


Calmwaters 09-23-2009 01:00 PM

Ok thanks you guys I will just use them as decoration in my bathroom then.

Lupin 09-24-2009 10:09 AM

You wouldn't want beautiful seashells turning ugly as they erode. Kinda the opposite of the poor ugly duckling.:wink:

Calmwaters 09-24-2009 11:08 AM

Good point Lupin. LOL

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