How to take water samples for laboratory - indoor waterfall sticky water kills pumps

This is the transcription of my voice in this video:
Hello again to the Wawazen Waterwall School. Today I've been at a customer's place examining, well not examining, but taking samples because we have those crystalline sticky stuff here in this thread fountain which is causing the pump to be damaged. The rotor is completely stuck and you cannot repair this. So actually it's the third pump which is damaged due to this sticky crystalline stuff where we don't know where it comes from and that's the reason why I've been there today. So usually I thought, you know, taking water samples is just super simple. You just go there and take a half a liter or one liter and bring it to the laboratory or send it there.

But no, they supplied me with six different bottles and each, well those those are simple: you just fill in the water, but you have to take care that there is no air inside. Then those two, they had some special chemicals in it which then ..., yeah, we'll come on ..., yeah, which are necessary to analyze this water. And here I had to add some drops and this is just a simple sample, additional sample, so they can make the test. Yeah, so I hope we will find out where this sticky crystalline stuff comes from, what is damaging the pumps and as soon as I know I will update you here and I hope you like this video and please subscribe to my channel and subscribe for free at wawazen.net. Maybe we can build a water wall together or maybe we can start a water wall business together.

Thank you. Bye-bye.