I am sooooo tired

It was such a nice day today that I traveled up to the RV for some quality time.  I had washed the seat covers the night before so I was excited to get the foam covered again and getting the inside of the camper back to normal. To my chagrin I found that I forgot a couple of covers, oh well most of them are clean.
Next on my list is the water tank. I had decided that I was going to fix the tank instead of buying a new one. You would not believe how much RV crap is. I can buy a certified water tank out of mcmaster-Carr for less that the cost of a cheapo water tank from an RV supplier. Hello, not all of us use our rv's for pleasure. I'm going to live in mine.
Anyway, I digest.
Here is the crack that I need to fix.

I thought to myself that this is not a bad crack and I can fix it. The whole point to doing what I'm doing is to reuse and fix what I have, not buy new stuff, that's easy. Any shmederick can buy stuff but it takes talent and skill to fix and re-purpose.
So what I need for the repair is a soldering iron and some filler rod. But since I do not any filler rod I think I can get by with just the weld.
The tank is polyethylene and melts at a temperature of about 240 degrees F. The iron goes up to about 600. Using the iron I melted the crack and blended it back together.

its not pretty but it will hold. And it will be under the new vanity so I don't care.

Now I have to replace the section of floor that the tank sits on and finish the bathroom.