Like the above picture? Other things that flicker include energy conduits, liquiducts, infusion altars.
Some info:
Threaded optimization - off because I've set optifine to multicore
Latest optifine for 1.4.7 installed
Latest lwjgl 2.9.0 installed
Latest java 64 and 32 bit ( update 21 ) installed
Anyone else has this problem? I did a search on "liquids" and couldnt find anything