Yes, it's a disco - at the edges of the tank you can see reflection from glass edge, less noticeable in the middle. I heard some putting DIY acrylic diffuser - can look at it in the future. Not sure about the light spectrum also - looks a little too blue to me.Is that disco I’m seeing on the sand bed?
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Is that disco I’m seeing on the sand bed?
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There’s a pretty long thread on here about the fritz salt mix. Most people were having trouble with the alkalinity dropping within the first 24 hours of being mixed. I think your test results fit with what others had experienced too.
A table spoon of seachem reef builder per 40 gallons maintains it.
No just a teaspoon will maintain it until it gets consume
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