I am bad at measuring so I have always added a little when I add water.
I am happy to say our plans for next spring's expansion are going well (thanks to the forum). We have decided on 2 bottom drains, an external pump, skimmer, autofill feature, jets and the basic design/materials are coming together. We are going to wait on the UV light as I don't know that we will see much benefit (even with our poor design now we have almost crystal clear water, just a tiny tint from tannins)
I am happy to say our plans for next spring's expansion are going well (thanks to the forum). We have decided on 2 bottom drains, an external pump, skimmer, autofill feature, jets and the basic design/materials are coming together. We are going to wait on the UV light as I don't know that we will see much benefit (even with our poor design now we have almost crystal clear water, just a tiny tint from tannins)