Replacing a Bad Toilet Fill Valve with a FluidMaster Pro45 Is your toilet constantly running toilet and giving you the blues…not to mention an expensive water bill? 🚽💰💵 Have no fear, because fixing it is a lot easier (and cheaper!) than you think! All you need are some simple TOOLS: -Pliers -Adjustable crescent wrench -Sponge or wet & dry vacuum -Perhaps a utility knife or scissors to trim the length of the priming tube. MATERIALS: -Replacement fill valve (I prefer and recommend the FluidMast