Albino Pleco And Red Spotted Pleco

[faithless1294]

Hello
I have had a albino pleco for quite some time and has grown about a inch since i have had him. He is about 4 inchs now How big will he get? And also i have a red spotted pleco that is 2 inchs how big will he get?
Cheers

 

[DarkEntity]

You will need to be somewhat more specific than that lol

Images would help