nano power 20 L nano reef build

[nashvillian]

hey guys. new to the site. i am currently in-process of building a 20 gallon long with the express purpose of an occ/perc/occ x perc clown species tank (pair). i would like to have a BTA/RBTA/LTA host nem as well. fully aware of recommended tank specs for these, but wondering if i could get away it with what i have set up while having the smallest energy (electricity/heat/noise) footprint possible.
lights - 25w Fluval A3983
skimmer - 5w Reef Octopus NS 80 w/ air silencer
heater - 50w Hydor
powerhead - 5.5w Hydor Evo 600
20# CaribSea AA reef grade live sand (SW rinse)
10# Caribbean Aquacultured Live Rock (cured)
8# dry Pukani base rock
1 brave longspine urchin hitchhiker

i couldn't find PAR stats for the light i have, but the 35W A3984 had PAR readings of 70 at 12'', 125 at 5'', and 175 at 4''. im assuming with the shallow tank depth and proximity to the water surface that this is feasible, but i was wondering what everyone's thoughts were and would love some constructive criticism. thanks.

Also, when i turn on just the actinic, its seems that some of the coralline algae has a fiery orange lava glow to it. when i turn on the whites, i can't see any kind of polyp growth or anything suggesting there is something of volume there over the coralline algae. any thoughts?

 

[Reefing Madness]

 

[SantaMonicaHelp]

Do you want to have BTA, RBTA, and LTA simultaneously or just one?

- C. Smith

 

[blank]

Oo no filter? Just skimmer?

 

[nashvillian]

just one. if needed be, i wouldn't get any other inverts if i can accommodate one nem. not opposed to getting toadstools, etc, but what is cooler than a nem/clownfish pair? not much.