Red Sea ReefLED 160S - 170 Universal Mounting Arm All Cat Products Seachem recommends the use of

Seachem recommends the use of Reef Builder™ (powder) or Reef Carbonate™ (liquid) to restore depleted alkalinity levels

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however you will need 2 to cover the entire 48"

To use these trimmers effectively

cedarwood oil

Red Sea ReefLED 160S - 170 Universal Mounting Arm All Cat Products Seachem recommends the use ofReefLED Series A universal mounting arm attaches firmly onto the rear wall of the tank and can be rotated from side to side during reefscaping or other aquarium maintenance. Suitable for tank widths from 22. 5 in to 32 in with glass thickness of 5 16" 3 4". Generally speaking usually do not work with framed tanks so please look at hanging kits. Fits: ReefLED G2 170 ReefLED 160 Red Sea BFA Item # ReefLED 160S and G2 170 Universal Mounting Arm RS35131