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This heater features a precise temperature control dial ranging from 64°F to 94°F
removing the need for external pipework that can reduce flow or create potential leak points
Easy installation above or below ground level
3) Promptly dispose of completed test solutions by rinsing test cavity under running water
Ribbed surface encourages beneficial bacterial growth
Black Knight 4" Dia x 12" Long Filter Brushes - 12 Pack sale This heater features a preciseBlack 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,