Tropical Fish Keeping - Aquarium fish care and resources

Tropical Fish Keeping - Aquarium fish care and resources (http://www.tropicalfishkeeping.com/)
-   Beginner Freshwater Aquarium (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/)
-   -   Magic Water Crystals? (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/magic-water-crystals-94704/)

lookimawave 02-28-2012 07:14 PM

Magic Water Crystals?
 
You know...water crystals...you know? those colorful balls that absorb a bunch of water and go from tiny to big?
like this?
http://i00.i.aliimg.com/photo/v0/270...l_crystals.jpg

Are those OK for fish?

Tazman 02-28-2012 07:39 PM

I would try and find out what is in them first.

I have a feeling they might contain toxic elements not suitable for aquariums.

dmuddle 02-28-2012 07:43 PM

Never heard of them before, cant help ypu sorry

lookimawave 02-28-2012 08:14 PM

It seems to be the same stuff they use to pack the aquatic plants at petsmart, just colorful and round instead of odd shapped...but i'm not sure... :|

dmuddle 02-29-2012 06:38 PM

I wouldnt trust it considering that if it expands with wtare it is probably got some chemicals in it. just dont use

Maxillius 02-29-2012 11:52 PM

I read that some of them can be toxic and even those that are not say to not put in aquariums it can be harmful to animals and they also mentioned that they float so my guess its not a good idea for a substrate.

zof 03-01-2012 06:28 PM

Late to the show but with out knowing exactly what they are I'm thinking they are the same stuff they put in diapers for absorbancy, also the same stuff high school chemistry teachers love to use in class as a demonstration. In which case it is not safe at all, main factor being they are soft which means inhabitants may eat parts of them plus over time they will degrade in a water environment.


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