thx catfish.
so u mean i shld start off using actinic on them,b4 proceedg 2 PL
or sth?how long did u take b4 changg?? mind if i ask is that the common practice?
gd thg i hv spare ballast n tube,wil try it out n hope i wil hv similar success
gd 2 know they don actually need a base,thx agn.
dg, i juz took some brown type fr lfs,it still seems ok, n also some mossy type.i thk e latter is disintegratg slowly,crumbling 2 dust..