Questions - Need some input

Hey can someone help me decide on a bio-pellet reactor i want one that is high quality and i also want one that is low price i have a 75 gallon tank with a refugium and i have cheato caulerpa and gracillera in it and there's a lot and my nitrates are still over 20 i dont feed to much and i got about 5 little fish so any advice would be helpful thanks guys

Was doing research on my cyano problem and found some articles by Melev which of course led me here. I have been battling cyano for a few weeks now and I have been pretty frustrated. I have siphoned, cut way back on feedings, increased water changes, and added GFO. But no luck so far. Of course parameters are all in line which tells me nothing. So I was looking at either Chemiclean or doing the 3 day blackout. Was leaning toward the blackout, although I saw a comment about bubble corals and I have ...

I'm going to be out of town for an 8 week stretch next year and I'm really worried about my reef . Anyone have suggestions about what to do to give me some piece of mind? My options so far are 1) a local fairly reputable tank maintenance company and 2) the wife's little brothers (18 and 21) who are responsible, but not experienced with reefs and live an hour away. Both options have their problems as you may imagine... Any other suggestions?

Hi i want to ask how to removed this brown algae on my rocks and whats causing it to grow?
this is not the actual pics just found it on the web but it look like this.


Bristle worm are reef safe or not? do they harm other LS?

Not the actual pics but look like this one and i think the lenght is 4-5 inch in L.

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I have a question. I have had mixed reviews on stirring the sandbed. Some say it is a bad idea do to the release of high bacteria concetration and thus risking a crash,others say it is not a big deal and is ok. Any thoughts or suugestions on this? thanks, glue slinger..