EVERYTHING to know about leopard geckos?

know there plenty of sites , other questions , places information id ask myself. pretty think know of things need know them own , take care of need clarification/information on few things:
-im getting 15-gallon tank , know can comfortably fit 2 geckos in there 3 fit , happy? (i dont numbers , dont want 1 [im fine if 3 wont work though].)
-i know im suppoed put moist hideout or in there dont know means. know there supposed 2 (three if have 3 geckos) hideouts on cool , warm sides of tank. 1 moist one? , moisten with? , put shallow water dish, on side?
-how heat tank? ve heard regular light bulb overhead heaters bright , can stress geckos out? dont know heat tape stuff. red (or infared or whatever called) light? there other ways of heating should know about? thermometers?
-and biggest concern food. how i use calcium powder , do main diet? eat exclusively crickets or mealworms better or mix of both? sell gecko food fish food or whatever? how keep these crickets/mealworms? (refrigeration mealworms not option, ive read somewhere.) , how keep , handle these crickets? how feed geckos? gut loading (or that) crickets/mealworms mean?
know have alot of questions want right them. answers can give or additional information can add helpful. thank in advance.

p.s: dont mena rude lease dont post website or something. amount of experience explain me.

i know there plenty of sites , other questions , places information id ask myself. pretty think know of things need know them own , take care of need clarification/information on few things: -im getting 15-gallon tank , know...

Pets Reptiles Next