18w 12000k power compact
modded Whisper 10 clone internal powerfilter, using poly-fil and old Odyssea "bioglass" media to hold it down in the filter
Flourish Excel 3x week (really to kill BBA)
3" deep pool filter sand amended with approx. 2% compost based potting soil
several very small fish died and are buried deep in the sand
pennywort, eurasian milfoil, parrotfeather milfoil, variable leaf water hyacinth (eichornia diversifolia), dwarf hairgrass, java moss, cabomba caroliniana, lemna minor, and pennywort
FISH: otocincluses, corydoras habrosas, kuhli loaches, flame rasbora (rasbora vaterifloris), one german blue ram
INVERTS: planaria, gutless planaria, california blackworms, malaysian trumpet snails, glass shrimp, copepods
The secondary photo is of the tank as it was in 8/2009, approx. five months prior to the main photo being taken. All plants were propagated from what you see in the earlier picture.
The purpose of the deep sand and inverts is to, along with the plants, experimentally try to create a biofilter which will handle a high bioload, nitrify and denitrify, absorb disintegrating mulm, provide a fertile substrate, and metabolize the H2S and other byproducts of the decay within it before they can be a hazard to the tank.
In two years I've never vacuumed and the only fertilization it's gotten are two dead marbled hatchetfish, one dead endler's livebearer, and four dead red cherry shrimp buried about 2 to 2.5 inches down in the sand.