Bpb Posted September 17, 2013 Share Posted September 17, 2013 I asked this on RC and my question got skipped over. What is the benefit of using the photosensor? It was my understanding that most corals do their feeding at night. That is what I observe and my own tank, and that is when everything has the best polyp extension. Why would we want to cut the flow down at night if everything is feeding? Wouldn't you want to have a great flow during those hours? With how crummy I heard those photosensors work, combined with the fact that I have to put mine inside the dark stand, it won't even detect any changes and light anyway. Should I put the wp25 on a timer so it only runs with the lights, or can I just leave it on all the time? Link to comment Share on other sites More sharing options...
Juiceman Posted September 17, 2013 Share Posted September 17, 2013 I asked this on RC and my question got skipped over. What is the benefit of using the photosensor? It was my understanding that most corals do their feeding at night. That is what I observe and my own tank, and that is when everything has the best polyp extension. Why would we want to cut the flow down at night if everything is feeding? Wouldn't you want to have a great flow during those hours? With how crummy I heard those photosensors work, combined with the fact that I have to put mine inside the dark stand, it won't even detect any changes and light anyway. Should I put the wp25 on a timer so it only runs with the lights, or can I just leave it on all the time? I could be wrong, but I think the less flow at night this is for the Fish. Link to comment Share on other sites More sharing options...
jestep Posted September 17, 2013 Share Posted September 17, 2013 I could be wrong, but I think the less flow at night this is for the Fish.Totally agree. The ocean doesn't give a crap if it's night time. I did use night mode on my vortechs during the evening to reduce the noise, not an issue with these though. More like sanity mode when you have a bunch going at the same time. Link to comment Share on other sites More sharing options...
Bpb Posted September 17, 2013 Author Share Posted September 17, 2013 Well. Mine hasn't come in yet. Just getting an idea of things. I was planning on running it in else mode most of the time and it'll take the place of an mj1200 and a koralia 750 in a 55 gallon tank. Should I turn it off at night or will the fish be able to handle it. Maybe this wp25 is more powerful than I'm expecting Link to comment Share on other sites More sharing options...
jestep Posted September 17, 2013 Share Posted September 17, 2013 I've got a 40 in a 90 gallon on one of the wave functions and my fish are fine. I would think you would be totally fine in a 75 with the WP25 on any mode. Link to comment Share on other sites More sharing options...
Woods Posted September 17, 2013 Share Posted September 17, 2013 I have 2 wp40s and 2 wp25s on my 180g and do not use night mode or reduce their flow at any time and my fish and corals are just fine... I do run them each on a slightly different strength and frequency so I get good random flow through the tank. Link to comment Share on other sites More sharing options...
haze152 Posted September 17, 2013 Share Posted September 17, 2013 I run 2 wp25 on else mode on my 75 gallon one is running 100% the other is at 85% Link to comment Share on other sites More sharing options...
Bpb Posted September 17, 2013 Author Share Posted September 17, 2013 Awesome thanks y'all. I'm gonna put the wp25 at one end pointing the length of the tank at 100% on else mode, and a koralia 1050 opposite it. No timers then. Should be an improvement hopefully. My only concern is irritating my zoas and Lps on the sandbed Link to comment Share on other sites More sharing options...
haze152 Posted September 18, 2013 Share Posted September 18, 2013 I have over 30 different z and p on my sand bed they do fine. You will just have to the best way to aim the wp25. Link to comment Share on other sites More sharing options...
nuxx Posted September 19, 2013 Share Posted September 19, 2013 Yeah I don't think it's a bad thing to ramp down pumps at night... don't coral normally feed at night? Wouldn't slower current help out a bit? I have 4 WP40s and 2 WP60s, all of which will go into might mode. Also have two Sicce 4000 gph pumps that I'll turn off at night. Link to comment Share on other sites More sharing options...
Bpb Posted September 19, 2013 Author Share Posted September 19, 2013 See I would think the opposite. I'd think if they're feeding you would want more turbulent flow to keep everything suspended in the water vs settling to the bottom. I always felt like the purpose of cutting flow when feeding was to allow you to more precisely target feed. If I just dropped a cube of mysis in my fish would eat it all before it made it to the Lps Link to comment Share on other sites More sharing options...
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