marbles

Hey guys I have a lots of amatitlania siqia "tempisque" and marbled convicts for sale including the parents and a few coatepeque Amatitlania siquia "tempisque" 1" F1 fry $2.50 each, 6 for $12, 25 for $35, $75 for 75, or 100 for $90 about 200 available 1.5" fry $3.50 each, 6 for $15...

Anyone have any marbles laying around they'd like to get rid of? I'm planning to set up a breeding cave for a group of petricola, and need some marbles to add to the base. Dark colors would be preferred, but I'm open to just about anything. Thinking 20-30 should be plenty, but not exactly...