Update 7-11-05
Well, too late for the chaeto, I just tossed about 1/4 of it out the window. Didn't realize how bad that stuff smells. I also rotated the ball of chaeto so the bottom now gets some light.
If people are reading this thread and thinking about starting a 5.5 or any size nano for themselves, one of the most important decisions to make is to dedicate yourself to the maintenance. For this nano, I chose to go with the "super sized" Berlin system, meaning that I bought nice LR for natural filtration, but I have other means as well.
As you can see, I have 2 HOB filters. One is an AC Mini (now called and AC 20, I think) and the other is an AC 300 (now the AC 70.) Both serve different purposes. The AC 20 is the mechanical and biological filtration, I believe, because it has the sponge and carbon inside (I have yet to add the carbon, I will once the tank is done cycling and run it 24/7 replacing monthly.) The AC 70 is modded into a refugium in order to remove deadly nitrates and other nutrients and add more volume. So far it has worked out wonderfully. Remember to use a low K rating for the light above the chaeto. My light is a 6,500 K 13 watt bulb, and the chaeto has grown magnificiently. I also have a poly pad in the AC 70 to remove any "gunk" from the tank. I rinse both mechanical filtration materials weekly with water changes.
Water changes are the most important way to filter, IME and IMO. Not only is dilution the solution to polution, water changes add back trace elements that your corals and livestock need to thrive. If I didn't perform water changes, my tank wouldn't last very long, and if it did, it would not thrive. Below is how I perform a 1 gallon water change; this information is for nano reef beginners who want to get a sense on how much effort this takes.
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Step 1- Buy a 2 gallon bucket and another powerhead, if you already don't have one lying around the house. Salt and water are obviously required as well.
Step 2- Mix your saltwater. Put 1/2 cup of salt / gallon of RO water.
Let the powerhead mix this water for 24 hours. Some people think that just stirring until the salt is gone is good enough, but I highly recommend mixing thoroughly. Add a heater if needed. I didn't, because the water mixed up to about 80 degrees anyway.
Step 3- After 24 hours, the water is ready. Remove your hood/canopy and start to either syphin the water out or use a cup. Most people like to syphin the crap off of the sand bed, but I like to leave it for my clean up crew, so I just used a cup and a milk jug. The jug is 1 gallon, and the funnel makes it easy to accurately measure the amount of water I'm adding or taking out. I use this jug for adding a gallon of water into my 2 gallon bucket as well. Remember, turn off any equipment that will not work properly without the water level. For me, I just turned off my auto top off system.
Step 4- Add new water SLOWLY. I dumped mine into my refugium so I wouldn't stir up the sand. In the pic you can see the bucket I used to mix the water and the AC I dumped the water into. Slower is better in the saltwater hobby.
Step 5- At this time, I usually clean the piece of glass that I have in my canopy to protect my lights, and I also rinse my sponges. I also clean the saltcreep off of the black borders of the AGA tanks and on the AC filters. Just do everything slowly and you should be okay. Check out how disgusting the water is that I removed!! Obviously I'm glad I did this water change. It is kind of like realizing what your protein skimmer pulls out; imagine dumping that stuff back into the tank......
You're done. Estimated time 8-15 minutes, depending if you have to rinse your media. Very, very easy to do. On a larger tank, say 75 gallons, water changes are more of a PITA, and it is understandable why people rarely do them. But on a nano, it's painfree. Here is a recent shot of my tank after water change.
I hope that helped some of you out there, and I will test my water sometime this week. I'm taking a sample into the fishstore because my Doc Wellfish testing kit is a piece of crap.
Check out my hermit crab going to town on some algae, he's doing great.
That is about it for today, I might put some snails in later this week. If you have any questions please ask.
Cya guys,
Ben