I would caution against dosing nitrate right now. As others including Randy have said, it may never have been that high to begin with. For starters, fish (all you have right now with CUC) would love to swim in clean nitrate free water. It’s their waste product!
I’ve been through many new tanks QT’s and otherwise. I’ve almost always had the issue of high nitrates for at least a little while. Just feed your fish and give it a bit before jumping into anything. You can give them as much as they want to eat if you want nitrates. That’s usually what most people recommend first with low nitrates, feeding more.
Question is, what are you planning to do? If you’re planning to just have 2 clowns and very quickly fill the tank with lots of corals, then ok maybe dose a small amount when you add the corals if you’re still at zero.
But, if you’re going to be adding more fish in the short term then just hold off. Fish will produce nitrate and extra feeding and waste food will produce nitrate. If you’re going to start off with a starter coral or two like a zoa; let me tell you, I’ve had zoas in zero nitrates for years and they’ll be ok. Might not grow a ton, but all I’m saying is don’t rush to start tweaking things like crazy, especially with a waste nutrient you might soon be trying to keep down rather than up. This applies to all things reefing; it’s a very long term hobby to get where you want to be, patience is everything.
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