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Tap water is tough. I ran my tank with HOB refugium and a good decholrinator. But I moved and the new water company add chemicals not in the other house or increased the amount. I ended up fighting dinos for a year. So I would say it will discourage your students. I agree with Hockeynut...
Well does suck caused happened to me a few weeks ago.
Today and yesterday work was murder. Sat down to check out my tank not to bad just needs a glass cleaning I said to myself. Turn away and hear this horrible rattling noise coming from tank. Deduce its coming from sump; unplug all and turns...
Personally for a tank that size I would steer away from GSP and Xenia as they can take over quickly. If your confident you can control it go for it. You can do this by keeping them separate from everything else and trimming often.
Any leather, mushroom, LPS - Hammer, Frogspawn will do fine under that light. You may have to adjust the intensity.
Could do SPS but a bit harder; can try green and red cap coral.
I am sure others will chime in but a few to start.
My fish mock me. I see them in the corner going hey want to piss off that being over there.
Next thing I know the Sunset Monti is on the sand. Today I have glued the frag 3x already. It has a few white spots now and the side encrusting is all white.
I am trying to create a clear protector for my Torch. Someone suggested a clear plastic bottle with holes and weighted down to be placed over it.
This would give the Torch time to heal, nothing can pick at it and I can observe it.
Last night I peeled the label off a bottle and the glue part was...
I used to drip into the RODI but ran into problems of Alk being real high. I assumed not evaporation so the Alk built up and when RODI kicked in spiked up alk.
No drip into the skimmer compartment and its been pretty consistent.