Diy calcium chloride (A Little Help)

[Razor Ramon]

I really like the idea of the means to send the water off monthly and they give you a complex break down of the water chemistry.
If a product is bad or you have equipment failing and adding something bad like metal or chemical poising to your tank it can be cought before it builds to a toxic level.
How much dose this service cost for a year and is there many labes that will do this for reefers.
Cool tec for sure !
Not really up on bleach/ hydro peroxide can you post a link if it’s worth a read .
thanks .
I know there is reactors for hydro peroxide to add radical oxygen to the system but not widely used by many in reef settings .