Reef Mat 500 Replacement Roll torch and magnesium concentration of ~5

and magnesium concentration of ~5 ppm

there are no hobbyist-grade test kits that provide reliable measurements of the concentrations of many minor and trace elements present in marine aquaria

When out of balance

Height - 22"

Reef Mat 500 Replacement Roll torch and magnesium concentration of ~5Although specific lifespan will vary according to system paramenters such as volume, bio load, feeding schedule, and initial water quality; each 28m roll of filter fleece is expected to last 5 8 weeks on a moderately stocked 80 gallon reef system. Bare bottom tanks will typically exhaust rolls at a faster rate. Additionally, usage rate may be significantly higher for the first few weeks after installing a ReefMat while your system adjusts to the new