Jan 13th- 201/301's- cleaning tank, making soap

Because of the various amounts of clay and other crud building up in the aquaponics pool,

the 201's took the tank out to the ceramics lab and cleaned it:

Meanwhile, it was noticed that the tank temperature was rather low for the liking of tilapia( 68 degrees vs 75 degrees), so additional heaters and heating lamps were added to the tank:

which eventually increased the temperature to 72 degrees.

See http://www.tropicalfishsite.com/what-wattage-heater-do-i-need-for-my-fish-tank-aquarium/ for heater specifications:

Tank Size	Heat 5ºC/9ºF	Heat 10ºC/18ºF	Heat 15ºC/27ºF
5 gal/25 L	25 watt	50 watt	75 watt
10 gal/50 L	50 watt	75 watt	75 watt
20 gal/75 L	50 watt	75 watt	150 watt
25 gal/100 L	75 watt	100 watt	200 watt
40 gal/150 L	100 watt	150 watt	300 watt
50 gal/200 L	150 watt	200 watt	two 200 watt
65 gal/250 L	200 watt	250 watt	two 250 watt
75 gal/300 L	250 watt	300 watt	two 300 watt

Meanwhile the 301's made a nice lavender bar of soap using their soap kit prototype:

The Soap Team