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Sera Blackwater Aquatan (100 mL)

Out of Stock

$4.99 $7.88

5.0 out of 5 stars


About This Product

For a natural blackwater effect as in the tropics. Sera blackwater aquatan with the Bio-Protect Formula conditions tap water to dark, clear, fish friendly freshwater just like in tropic waters.

  • Lively and healthy fish, shrimps and crayfish
  • Water according to the original biotopes supports coloration and natural behavior
  • Immediately binds heavy metals
  • No pH value alteration
  • Reduced algae growth due to reduced light
  • Long lasting water tint
  • Extremely economic


This product ships to your doorstep. Most orders placed before 2pm ET on business days will ship out the same day.

Customer Reviews

5.0 out of 5 stars

Based on 1 review

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5.0 out of 5 stars

Great product

I decided to go with this since the Kent marine was out of stock and I’m perfectly happy I did, tads seem to be fine with it I only used one single drop per cup so it’ll last awhile at that rate

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