In my systems algae grows prolific, eating up pollution on the spot. I set up systems with the main purpose being to keep Nitrogen compounds at minimum levels and I trust my senses of sight and smell to tell me if things are not right. People may think I'm strange but I haven't tested for Ammonia, Nitrite or Nitrate in any of my systems in the last 10 plus years. There has been no need because the systems are set up to maximize pollution processing to the fullest and thereby avoid water changes.

The last time I raised clownfish (2011) they grew up in this two tank connected system. Larvae and post metamorphosis fish on the right were then moved to the grow out Refugium tank crowded with algae (even Cyanobacteria) on the left. The white fabric in the right tank kept larvae (and some rotifers) from being pulled into the siphon and swept into the Refugium on the left. When young fish were almost 3/4" they were moved from the Refugium to a coral farming system. 

The bottom tank in this pic was dark green having just been infused with algae paste to to ensure a large continuous Rotifer population.

This worked for me because I try to make my farming require as little labor as possible.

Aloha,

Mark  

For your viewing pleasure and education:

Amphiprion ocellaris eggs near hatch

A. ocellaris larvae

Post-metamorphosis A. ocellaris in the Refugium tank

Young clownfish in larger system

DMower took quite a number of them and last I knew, he has a few left (that his shark didn't eat).

Aloha,

Mark  

I've read several of your posts where you talk about rescuing clownfish. Do you know what caused those fish needing to be rescued? 

It might be good to know of any pitfalls that you know of that may not be so common.  I'm not implying that this will be a rescue but maybe for a starter it would be good to know. 

He knows best!