2 Questions :)

matt_storey

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Howdy, its been a while but im back :) and with more questions *awaits groans*


1. Everytime i stir up my sand i notice its very grey/black on the bottom, i originally thought it was the lead weights on my plants leaking but its mainly underneath the 2 rocks i have in the tank. is it just a build up of waste?

2. Crabs! my local maidenhead aquatics has some vampire crabs :D they look awesome and will need to do a little more research before i go ahead and buy them. Obviously no crab is fully aquatic. i do have a Juwel system so the crab can "rest" on top of that but i dont like the idea of it escaping. I came across this online http://www.crabhomes.com/ (sorry mods im not advertising just looking for advice)

anyone used one? i cant seem to find a UK version which is a shame.
 
Grey/black sand is normally trapped gas pockets in the sand,best off stirring the sand weekly when doing a w/c.

If you have fish i wouldn't go for crabs,especially not these as they live up to the name...vampire crabs aren't suited to live in aquariums and need more soil substrate and terrarium set up.
 

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