Pentek ChlorPlus Carbon Block

Grouped product items
Product Name Qty
ChlorPlus 10 Carbon Block

SKU: 200057

In stock


Earn 270 Reward Points Earn 135 Reward Points

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ChlorPlus 20 Carbon Block

SKU: 200142

In stock


Earn 450 Reward Points Earn 225 Reward Points

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Chloramine is becoming more common as an alternative to chlorine for water treatment and must be treated differently. Chloramines are different than chlorine, which is used by most municipalities to treat the city water supply. Chloramines are chlorine reacted with ammonia to create a more stable disinfectant that will remain in the water rather than gassing off. At least 10% of the nation’s water supplies now treat their water with chloramines and this is becoming more and more common.


Treating with standard carbon blocks can result in the addition of ammonia and other compounds harmful to an aquarium. The Pentek ChlorPlus Carbon Block promotes additional reactions which result in water safe for fish and corals. 


If you are unsure if your city uses chloramines, call your city water supply company and ask them directly or ask for a water quality report. To find the number for your water treatment facility check your water bill or call city hall.


Recommended filter arrangement for chloramine treatment when using the Chlorplus Carbon Blocks

  • Stage One - Sediment filter
  • Stage Two - Pentek ChlorPlus carbon block
  • Stage Three - Pentek ChlorPlus carbon block


Note: With advancements made in filter technology we now supply BRS Universal Carbon Blocks and include them on all of our BRS Universal RODI Systems which we would recommend for chloramine filtration over the ChlorPlus Carbon Blocks. If you wish to upgrade your current system to utilize BRS Universal Blocks you can easily change out any catalytic carbon cartridges and ChlorPlus filters for Universal Carbon Block filters



  • 1 micron rated filter – Nominal*
  • Chloramine Reduction: 2,500 @ 0.5 GPM
  • Chlorine Taste and odor: 50,000 Gallons @ 1GPM
  • Media : advanced bonded powdered activated carbon

*Nominal rating will remove >85% of particulate of given size from water with single pass filtration.

More Information
Product Name Pentek ChlorPlus Carbon Block
SKU Filter-Chlorplus
Filter Dimensions 10 in. x 2.5 in. (Standard), 20 in. x 2.5 in.
Micron Rating 1
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