I'm pretty sure that Bondo product isn't epoxy, it's polyester resin. I've used it before, and it doesn't harden up the way epoxy does, and seems to have a waxy finish when done. No idea if it's reef safe, but the fumes from it are even worse than epoxy. Use plenty of ventilation.
Nice to see it progress. (Feel free to title your blog entry to what matches the content. This will make it easier to follow as well as to look up previous content.)
30 minutes may be the maximum you can do this, because I'm pretty certain the "off" zone will cool off before it re-mixes with the rest.
Maybe 30 mins to an hour. I might end up running both at the same time. Although currently I like to idle down when lights are off so the big small idea is growing on me. Everything in front of me right now is physical work so I need to start researching lights and pumps so I can keep the project rolling all the way through.
I'd have to think about it for a bit. Maybe a smaller powerhead for the low flow period, and then the normal size one for the full flow? This avoids stagnation. How long were you thinking between switching sides?
Originally Posted by melev Interesting.What are your thoughts about water not circulating on one side for a duration while the other side is providing flow? I edited your blog for format. While in the editor, if you double click an image, the option to have it display full size is a single click away. Save and submit. Thanks for the tip and doing it for me haha. I'm thinking it needs to be a rather short rotation to avoid temperature drops. I plan on putting the heater in the center compartment. I'm not sure how it will effect nutrient export with the mangroves either. But that's not really an issue I guess. I can only foresee the temp swing and ware on the pumps being an issue. Am I missing anything? You've built so many tanks you will have more knowledge on this then me.
Interesting.What are your thoughts about water not circulating on one side for a duration while the other side is providing flow? I edited your blog for format. While in the editor, if you double click an image, the option to have it display full size is a single click away. Save and submit.