i'm going to get some moeny on friday
i'v decided with half of it i'll buy a light for either my guppy fry
(one lot 2 days old the other batch one month old) tank or weather to put it in my grown up guppy fry tank
(there half the size that guppies can get at full age).i'm not sure which to use it for
??would it be better for the younge fry or the older fry actually u cant call them fry
there not babies any more.please can someone help me make a desicion
.thanx for any replies i'm sure they will help me. 




