5 Penicilus plants
Planted 3 inches into deep sand bed in year old tank
Powerhead blows at 200gph above the hairs on 15 minute intervals.
Total flow rate is app. 750 gph in a 55 gal tank
Top of plants are 15 inches from the water surface
4x65W PC's, 2 actinic, 2 10000K; 1 of each are over the plants
Ammonia=0
NO2=0
NO3<2.5ppm
PO4<0.1ppm, usually 0
Temp=81F evening, 79F morning
pH=8.4 evening, 8.1 morning
Ca=420mg/l
Alk=8dKH
Salinity=1.024@80F=app. 37ppt
3 of the 5 Penicilus plants began to grow new algae in about a week. There are about 5 new spouts from each one that grew up from under the sand encircling the parent. They grow about an inch a day, while new ones sprout up everyday. The parent Penicilus algae sheads many hairs, and dies in about 2-3 weeks, so it makes a mess of the tank. They are cool if they are planted in a deep sand bed with lots of light in a shallow lagoon or refugium type tank where some nutrients are ok.