Coral Snow

Grouped product items
100 mL Coral Snow

SKU: 208562

In stock

$20.09 $20.09

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250 mL Coral Snow

SKU: 207030

In stock

$40.09 $40.09

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500 mL Coral Snow

SKU: 207039

In stock

$65.09 $65.09

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5L Coral Snow

SKU: 213897

In stock

$416.09 $416.09

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Korallen-Zucht Coral Snow liquid filter media as well as a secondary biological facilitator for elements and nutrition.

  • Treats and prevents slime algae and cyanobacteria
  • Neutralizes water yellowing compounds and unwanted acids
  • Increases the effectiveness of other KZ products such as B-Balance and Potassium-Iodide/Fluoride Concentrate.
  • Compatible with Amino Acids and Coral Vitalizer.


Coral Snow liquid will help with yellowing compounds that activated carbon misses. It has also been shown to be beneficial in treating unwanted slime algae and cyanobacteria. The product contains natural calcium-magnesium carbonate and other specialized compounds. Clay-like composition and properties make for a highly absorbent medium that can be taken up by corals and protein skimmers.


This is primarily a secondary biological facilitator for other Korallen-Zucht products like Amino Acids Coral Vitalizer, B-Balance and Potassium-Iodide/Fluoride Concentrate.


Dose Coral Snow 1 mL per 25 US gallons every day mixed with a different product to enhance results. Combine the desired amount of Coral Snow and additive, rest for 5 minutes then add directly to a high flow area of the tank. Initial cloudiness is normal and not harmful. After initial cloudiness disappears you will notice the water is extremely clear, very similar to when fresh activated carbon is added to the tank. Do not exceed recommended amount.


To help eliminate cyano bacteria add one drop of ZEObak per 25 gallons of tank water to Coral Snow. Dose every two days until cyano bacteria is gone.


To find the right Korallen-Zucht solutions for your tank or simply learn more about the ZEOvit System, check out our BRStv Buyer’s Guide To Korallen Zucht or download the Korallen-Zucht product guides below.

Guide ZEOvit System Guide

Guide KZ Product Guide


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Product Questions

Could this be dosed in a skimmerless 10 gallon in a fashion similar to MB7 to reduce nutrient concentrations and increase clarity and if so what should I dose at?
Question by: Beeper on Jan 29, 2018, 10:33 AM
The KZ system does rely on a large skimmer being used and using coral snow without a skimmer could cause a muddy build up somewhere in your tank. Coral Snow is more of a mud/clay type filter system that definately helps clean the tank water and clear things up, but does rely on a skimmer to be exported eventually. People that use Coral Snow report that their skimmer gets a light muddy/clay like consistency after using it.
Answer by: Charlie on Jan 29, 2018, 5:12 PM
Can I use coral snow with a system that is useing biopellets?
Question by: MICHAEL ZABLOCKI on Jun 17, 2016, 12:46 AM
Great question!
This will not have a negative impact on bio pellets. Feel free to let us know if you have any further questions!
Answer by: Connor on Jun 21, 2016, 2:46 PM
I was going to use coral snow with zeobak. Do you think this is the best combination or is there a better one. Also would you mix the 2 in a small amount of aquarium water first, let sit for 5 minutes and then add to the aquarium? Do you need to run the zeovit system to use zeobak? I am not running zeovit because I already have an established tank. I do use the B balance, K balance, coral vitalizer and amino acid. Thanks
Question by: Jeremy on Apr 29, 2016, 6:37 AM
Great question!
ZeoBak is typically only needed in conjunction with the Zeovit System and Zeolite media. Most zeo products are intended to be dosed into the Zeovit reactor directly and dilution beforehand will not be required. Feel free to let us know if you have any further questions.
Answer by: Connor on May 3, 2016, 12:16 PM