According to [1], he didn't wash in water, but with Fire instead:

"He would reject water in favour of what he called a “fire bath”. “Every evening as villagers gather, Kalau … lights a bonfire, smokes marijuana and stands on a leg praying to Lord Shiva,” the paper said."

[1] - https://www.theguardian.com/world/2022/oct/25/worlds-dirties...