Reviews Silicon Carbide Electric Heating

LUYS PTC Aquarium Heater (50W / 100W / 200W / 300W / 500W), with External Temperature Controller and LED Temperature Display for Fish Tank

  • ...tor lights turns red, and once it reaches the set temperature, it will turn blue. The temperature accuracy is +/-1 F..
  • Fast Heating Speed, 50%+ Energy SavingThe main material of the heating rod is PTC. Under the same conditions, the heating speed is 2-3 times that of the ordinary heating rod, and it can save 50% of electricity for you.At the same time, the heating rod has a temperature memory function, which automatically saves the set temperature after the power is turned off, and automatically heats to the set temperature after the mains power returns..
  • Safety Design Provides Double Protection for Your AquariumThis heater has overheating protection function and it can be auto shut off when out of water. When overheating (more than 93 Fahrenheit), it will automatically shut down, and it will automatically reset when it cools to the starting temperature (usually two degrees lower than the set temperature). When the water level is lower than the water level probe, it will stop heating, automatically cut off the power, and display E1 fault..
  • Quartz Tube Protects Heating Materials from Corrosion and Electric LeakageThe aquarium heater is made of high-quality quartz explosion-proof glass and high thermal conductivity silicon carbide, and is double-sealed w....
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MJR Tumblers Refill Grit Kit for 30 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

  • 30 ounces of 60/90 Graded Silicon Carbide Grit (Step 1).
  • 30 ounces of 120/220 Graded Silicon Carbide Grit (Step 2).
  • 15 ounces of 500/600 Graded Silicon Carbide Grit (Step 3).
  • 15 ounces of 1200 Aluminum Oxide Polish (Step 4).
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MJR Tumblers Refill Grit Kit for 25 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

  • 26 ounces of 60/90 Graded Silicon Carbide Grit (Step 1).
  • 26 ounces of 120/220 Graded Silicon Carbide Grit (Step 2).
  • 13 ounces of 500/600 Graded Silicon Carbide Grit (Step 3).
  • 13 ounces of 1200 Aluminum Oxide Polish (Step 4).
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MJR Tumblers Refill Grit Kit for 40 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

  • 40 ounces of 60/90 Graded Silicon Carbide Grit (Step 1).
  • 40 ounces of 120/220 Graded Silicon Carbide Grit (Step 2).
  • 20 ounces of 500/600 Graded Silicon Carbide Grit (Step 3).
  • 20 ounces of 1200 Aluminum Oxide Polish (Step 4).
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MJR Tumblers Refill Grit Kit for 12 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

  • 12 ounces of 60/90 Graded Silicon Carbide Grit (Step 1).
  • 12 ounces of 120/220 Graded Silicon Carbide Grit (Step 2).
  • 6 ounces of 500/600 Graded Silicon Carbide Grit (Step 3).
  • 6 ounces of 1200 Aluminum Oxide Polish (Step 4).
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MJR Tumblers Refill Grit Kit for 50 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

  • 50 ounces of 60/90 Graded Silicon Carbide Grit (Step 1).
  • 50 ounces of 120/220 Graded Silicon Carbide Grit (Step 2).
  • 25 ounces of 500/600 Graded Silicon Carbide Grit (Step 3).
  • 25 ounces of 1200 Aluminum Oxide Polish (Step 4).
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MJR Tumblers Refill Grit Kit for 18 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

  • 18 ounces of 60/90 Graded Silicon Carbide Grit (Step 1).
  • 18 ounces of 120/220 Graded Silicon Carbide Grit (Step 2).
  • 9 ounces of 500/600 Graded Silicon Carbide Grit (Step 3).
  • 9 ounces of 1200 Aluminum Oxide Polish (Step 4).
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MJR Tumblers Refill Grit Kit for 10 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

  • 10 ounces of 60/90 Graded Silicon Carbide Grit (Step 1).
  • 10 ounces of 120/220 Graded Silicon Carbide Grit (Step 2).
  • 5 ounces of 500/600 Graded Silicon Carbide Grit (Step 3).
  • 5 ounces of 1200 Aluminum Oxide Polish (Step 4).
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MJR Tumblers Refill Grit Kit for 6 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

  • 6 ounces of 60/90 Graded Silicon Carbide Grit (Step 1).
  • 6 ounces of 120/220 Graded Silicon Carbide Grit (Step 2).
  • 3 ounces of 500/600 Graded Silicon Carbide Grit (Step 3).
  • 3 ounces of 1200 Aluminum Oxide Polish (Step 4).
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MJR Tumblers Refill Grit Kit for 3 LB Rock Tumblers Silicon Carbide Aluminum Oxide Media Polish

  • 3 ounces of 60/90 Graded Silicon Carbide Grit (Step 1).
  • 3 ounces of 120/220 Graded Silicon Carbide Grit (Step 2).
  • 1.5 ounces of 500/600 Graded Silicon Carbide Grit (Step 3).
  • 1.5 ounces of 1200 Aluminum Oxide Polish (Step 4).
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