Domestos. Without dilution. A lots more than you think. Basically pour it directrly over the grout everywhere. Then wait. 1-2 hours. It will whiten the grout, like magic, with almost no scrubbing.

Or pour some colored epoxy. Can look fantastic, if you use the right material, and it matches the style. One of the guys i know makes marble style, professionally.

Oh. I thought for a sec, that chip saw a lot of porn. Nevermind.

I wear my watch during showers. It's an amazfit tho, with no fall detection. But it can tell me what was my heart rate and how many calories i burned while trying to crawl to the bedroom for my phone to call an ambulance with a broken hip... Which is nice i guess.

Bought haylou gt1 xr more than 2 years ago, when it came out. Works perfectly with daily 6+hrs of use. I bet it will work for another two years... Anything apple has problems with battery... And curiously enough, i can diy my asus smartwatch battery change... Works well, still waterproof.