I agree about the 55; never was my favorite. Prefer lower, higher, longer, etc.
Another factor to consider is insulation; thicker = more insulated from room temperature.
"Algae scrubbers are one of the few, if not the only, nutrient removal systems that give me something back: Growth. It's a no brainer" -- Jim Stime, LA Fishguys
"I see algae scrubbers as the single most significant nutrient exporter you can have" -- Stephen Babcock, The Corner Reef, Columbia...
Some forums use FB just to post the topic of the day, which lets new people find it there, and then click to go to the forum. It's a good way to reach new people who don't even know forums exist.
Aquatic Biology Basics... the videos:
- Ocean Productivity
- Photosynthesis part 1
- Food Chains vs. Food Webs
- Nutrients and Primary Production
- Chlorophyll
http://www.youtube.com/watch?v=LtZ75KW2t-U - Zooplankton and Primary Production
http://www.youtube.com/watch?v=quH4x640Jgs -...
Cleaning Off Slime On New Scrubbers
When scrubbers are new, they will almost always first develop a slimey first layer of growth. This is because diatoms and dino's, which make up most of the slime, are the quickest to be able to "colonize" a new surface, sort of like weeds in a new garden. But...
Joey also has a vid of making one of our upflow algae scrubber bubbling designs. Fairly easy. And they remove ammonia and nitrates, unlike cannisters. And you can feed the growth back to animals, for free feeding, like this fellow did...
Chaeto Reactors compared to Algae Scrubbers, part 3
Now for nutrients.
Nutrients are defined as inorganics, not organics. The word "nutrient" is sometimes confused with "nutrition", and maybe in restaurants the words might mean the same thing, but for aquarists they are totally different...