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I noticed three areas in reef today with white skeleton showing, which seemingly came out of the blue. Not sure why so I did a full set of tests to see what may have changed. Nothing major cropped up but these are my findings. Specifically the base of the Staghorn colony has been affected, as has a Montipora colony and a birdsnest colony.






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I've been talking about a new frag tank system all year. It's November and I'm finally getting it done. The frag tank was made a month ago, but I needed a stand. I'd considered a steel stand to match the rest of my setup, but the cost just didn't justify itself.

Yesterday, a friend came over and offered to assist (translation: made me) with the stand build, so we ran up to Home Depot for the necessary items:

• 1x3 Red Oak boards
• A box of Wood screws
• Gorilla Wood glue
• Glossy

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I was out of town when my reef turned two years old. While traveling, my tank sitter did a great job keeping everything healthy and happy for me. And you.

Here are three pictures from today.

I removed the sump from the system Sunday a week ago. I just got it installed back in the system Monday evening. While it was out I completed the drain line plumbing to the Sump. I made a acrylic cooling fan holder and also a probe holder that allows probes to be added in the bubble trap. I also made the feet for the corner boxes along with a acrylic cover for mounting float switches to the return compartment and probe holders to the refugium compartment. I was in a hurry so I did not get a lot ...

I got two more tests done today. Calcium is 450ppm, Magnesium is 1300ppm. I prefer Magnesium to be higher, more like 1400ppm.

My reef has a liquid volume of 450g including the sump volume and satellite tanks.

I took a graduated 8oz cup to measure solution into a plastic jug (formerly a pretzel container), and 15 of those cups filled it up. That's 120 oz.

The recommended recipe is 10 grams per 8 oz (or 2 tsp per 8 oz) of water, I determined I'd need 30 ...