Thinning acrylic paints with water isn't the best option. There are at least 6 ways how to thin acrylic paint, the most effective is
Golden Heavy Body vs Open Acrylics Paints Review
Sakura Koi Brush Pen Review: 2 Sets Tested by Artist
My Mont Marte Pouring Paint Review - Best Kit For First-Timers
Can You Use Acrylic Paint on Fabric? How to Guide & DIY Fabric
How to Make Acrylic Paint With 3 Easy Components [No Glue]
Best Paint for Eva Foam: 5 Flexible Paints For Cosplay & Crafts
How to Paint Green Summer Trees with Acrylics
What are the best acrylic paints?
How to Thin Acrylic Paint: 6 Easy & Pro Ways
How to Clean Acrylic Paint Brushes [The Ultimate Guide & 14 Tips]
My Mont Marte Pouring Paint Review - Best Kit For First-Timers
Sakura Koi Brush Pen Review: 2 Sets Tested by Artist