Red Sea

RedSea Trace Colors B (Potassium) - 500 mL

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Red Sea Trace Colors B contains potassium to help promote the red colors in corals.

1 mL will raise the potassium level of 25 gallons (100 liters) by 1.75ppm.


Through extensive research, Red Sea has identified 31 trace and minor elements that help make up the skeleton and soft tissue of corals. These elements are essential to the proper coloration of SPS corals. Red Sea has divided these elements into four groups which make up there Red Sea Trace Colors.

  • Red Sea Trace Colors A (Iodine/Halogens) - promotes pink colors
  • Red Sea Trace Colors B (Potassium) - promotes red colors
  • Red Sea Trace Colors C (Iron/Complementary Trace Elements) - promotes green colors
  • Red Sea Trace Colors D (Trace Element Complex) - promotes purple/blue colors


Red Sea Trace Colors Manual

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UPC 730773220533
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Product Questions

The dosing states on the bottle add 1 ml for every 20ppm of CA added. Using the BRS two part soda ash and CA solution how may PPM of CA is in 1 ml dose?
Question by: mholzapfel on Jun 1, 2016, 10:30 PM
Great question!
Instead of dosing per ppm in the solution of Calcium chloride we recommend finding how many PPM Calcum your tank consumes on a daily basis. This will be far more accurate and not have the potential to over dose. In this situation you will measure with a test kit on monday at 9:00 for example and then test again on tuesday at the same time 9:00 am. You calcium will have dropped a certain amount of ppm typically 5-10 PPM. From here you can find out how much of the red sea will need to be added with your correct mixture. Feel free to let us know if you have any further questions!
Answer by: Connor on Jun 2, 2016, 11:10 AM