apol, may kasama syang ac-dc na adaptor... it is rated 110volts but i can use an ordinary ac-dc converter c/o raon para maging 220volts... 12 volts lang talaga ang needed input ng ph controller... i believe i can make it battery operated as well...
randel, who is justin? hahaha... but thanks for the info... ill try to pass by cartimar later... but i really like a bicolor blenny... maybe ill pass muna sa blenny... ill try to find a bicolor blenny... medyo malinis na aquarium ko ngaun thru the help of 20 turbos na giant talaga ang sizes... and they have feather duster sa shell nila... cute tignan...