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Perfect for most applications (except Undergravel filters)
Optimum choice of materials for years of quiet
particularly beneficial in situations where excessive CO2 could lower pH to dangerous levels
including iodate (the predominant form in seawater)
all-in-one design of this lamp makes it an essential addition to any fishkeeper's toolkit
Black Knight 4" Dia x 12" Long Filter Brushes - 12 Pack jbl Perfect for most applications (exceptBlack Knight filter brushes are crafted from top quality Hydrotek polypropylene, twisted into two stainless steel wires, forming a cylindrical brush with a loop at one end for easy hanging. The other end is capped with a plastic knob for safety. These brushes are designed to last indefinitely, offering the easiest, most efficient, and cost effective pond filter medium available. Ideal for filtration systems in fish farms, hatcheries, public aquaria,