Instructions: The ratio of color to clear is 1:3. For 16? machines use 5.5? color. For 18? use 6.75?. The remainder is clear with an air bubble that fills up 3/4 of the vessel?s built in air trap. Note: You will receive what is shown in the second photo. 500ml of bottom colored fluid and 700mL of upper (clear by default) fluid. The other items in the photos (color chart tubes, Hughes WaveCells) are shown for color selection reference only and are NOT what you are purchasing. See my other listings for the hand operated WaveCell and WaveTube as well as custom and restored wave motion machines. Packaging of the fluids may vary, but you will receive exactly the amount stated. Please message prior to purchase if you need assistance determining how much you need or to purchase bulk amounts of Hughes Wave Fluid Formula. This particular formula is ONLY designed for the Lava brand machines like the 16"-18" Adriatic and Caribbean and the 22"-30" Atlantis and Pacifica. It may perform properly in other makes and models, but it is NOT guaranteed. It can be customized to suit other brands, but you MUST ask questions prior to purchase. Send photos of what you have and I will help you. I am the world's expert regarding these displays. Description: The Hughes Wave Motion Machines Fluid Formula is the result of two years of painstaking research, testing, and development. It can be placed in a variety of kinetic media for a dazzling ocean wave simulation when the vessel is tilted from side to side. It has been featured in everything from Mercedes-Benz web ads, television shows like HBO Season 4 and the Italian remake of "In Treatment", and the custom Telecaster guitar belonging to John 5 of the American metal band "Rob Zombie" as well as a custom guitar belonging to Kirk Hammett of "Metallica." Mesmerizing and lively, it is suitable for 16"18" Lava Simplex and Lava Lite brand wave machines and some custom projects alike. You will receive approximately 500mL color and 700mL clear which is enough for a 16-18" Lava brand machine. The quality and wave response is like nothing ever seen in a wave machine previously. A variety of colors are available and you are sure to be pleased with it. Please see the color chart in the photos. The "UV" colors glow in a dark room with a fluorescent black light fixture for an awesome and fun effect! These fixtures can be found right here for minimal cost. I am now offering oil colors in Red, Blue and Forest Green so you can have a eye popping two color wave machine! PLEASE READ: You must include a note in your PayPal payment indicating which color you would like from the chart. If no note is included, the default color is Deep Ocean Blue. NOTE- UV Acid Orange is no longer available.