US$ 54.90
90% and a waste water: pure water ratio of 3-4:1
long lifespan
Goniporas and Alveoporas are easy to keep and propagate
Trident basically automates what you (and top scientists) already do when testing your water
This ensures optimal PAR with minimal light loss or annoying glare for the viewer
AI EXT Mount System Color:Silver 90% and a waste water:
US$ 54.90
US$ 17.90
US$ 17.90
US$ 140.00
US$ 168.00