When you want to lower the viscosity of your acrylic paint or extend it's volume, choose a fluid medium. Rather than using water to thin color down,
Liquitex Professional Gloss Medium 128oz
Liquitex Professional High Gloss Varnish, 118ml (4-oz) : Everything Else
Liquitex
Liquitex Gloss Gel Medium 1 Gallon
Made from 100% acrylic polymer emulsions, form durable, permanent films when dry. They have excellent flexibility and resistance to chemicals, water, abrasion and ultraviolet radiation and can be used to provide lasting protection for artwork.
Liquitex Ultra Matte Medium 8 oz.
Liquitex Gloss Fluid Medium & Varnish 473ml
Liquitex Super Heavy Gloss Acrylic Gel Medium-16oz, 1 - Kroger
How to use Acrylic Paint with Crepe Paper - Part 1 — Jessie Chui
Liquitex Professional Acrylic Gloss Pouring Medium (3.78ltr)
Liquitex Gloss Fluid Medium & Varnish - Chapman & Bailey - Fine Art