I have finally gotten pretty successful with guppy breeding!(Well, IMO) I have recently had a drop of around 30 fry but I was only able to save seven. My zebra danios had gotten to them pretty quickly. ( My danios are huge fatties. I only have 2.) So I put the seven in my breeder net and guess what I named the seven of them? Sleepy, Sneezey, Dopey, Doc, Happy, Bashful, and Grumpy! Well anyways I had started thinking about how that net is getting pretty crowded so I had the idea of setting up a guppy fry tank. I am going to set it up when I get back from my summer vacation but I am going ahead and making plans for it. I already have the tank filter and heater picked out.( I was thinking of a 5 gallon but if you guys have other ideas let me know.) The only thing I was stuck on was a substrate. What would you guys say is a good substrate for a fry tank? I saw this pure fine white sand that I fell in love with so I would like to know if it would work. Any advice would be awesome. Thanks!