Hello Everyone.
Welcome to my reef page and my first official post. So here is my mindset the week before I put water in the sump and no NOT yet in the reef aquarium:
There is 160 pounds of (used) base rock up in the tank I took from storage that I have used in tanks in the past. I pressure washed it but I still expect it to have Nitrates and phosphate. I further expect it to leach into the water.
I have 3 Home Depot 5 gallon buckets of old sugar size sand I...