Hi I use the coarse sand from the sea shorein my Malawi tanks and the fish love it
Also if it has shells in it it helps to buffer the ph
Also its free
Cheers rob
Hi I use sea sand in my malawi cichlid tanks
All i do is rinse it till the water runs clear
The fish seam to like it,and i haven't had any problems with them
It also looks nice in the tank
Hi first time on forum.
I think this site might interest you with your photography
http://www.aquatic-photography.com/
Look under articles.I'm sure theres something here that will give you some ideas