Is this a good price

[doggie]

Ok, thanks! Now, a couple more questions. For the DPD Reagents, it lists #1, #2 and #3. But in the description box, it says you must use #1 and #2. Plus the pic of the kit itself only shows 2 bottles plus the powder. So do I have to get any of the #3?

Also, this tests FC and CC? The site isn't clear exactly what it is testing. I've only used simple tests before.

And if this tests for both FC and CC, why would one also need the OTO test? For the PH part of it?

Thanks yet again

Oops, forgot to ask.... can the reagents all be stored in the fridge to extend their life? If so, for how long?

Does anyone know the answers? Sorry to pester, but I want to get the stuff ordered while it's on sale, and I don't know which of the DPD reagents I have to have.

Thank you.