Brightwell Aquatics RainboCode
Unique complex that provides trace and minor elements in ratios found to be beneficial to rainbowfish and other fishes that share the same waters of origin.
Provides minor and trace elements utilized in important neurological and metabolic reactions, and which are incorporated into natural biopigments for coloration.
Replaces minor and trace elements used by aquarium inhabitants, and which are lost through chemical filtration (use of filtration media such as resins and activated carbon).
Composed of purified water and ultra-high purity materials.
Does not significantly increase GH or KH.
Formulated utilizing extensive research on the chemistry of the waters naturally inhabited by rainbowfishes and blue-eyes.
| Key Features |
|---|
| Trace and minor element complex |
| Purified water base |
| Supports natural coloration |
| Safe for use with chemical filtration |
| No significant GH or KH increase |
FAQ
Does RainboCode affect water hardness levels?
No, RainboCode does not significantly increase GH or KH.
Is RainboCode safe to use with activated carbon or resin filters?
Yes, RainboCode replaces minor and trace elements lost through chemical filtration such as activated carbon and resins.
What types of fish is RainboCode suitable for?
RainboCode is formulated for rainbowfish and other species that naturally inhabit similar water environments, including blue-eyes.

Zoe Forsyth –
My rainbowfish have developed brighter colors since I started using RainboCode. The water parameters stayed stable and the fish seem more active. No changes in GH or KH as expected.
Connor Forsyth –
I noticed a visible improvement in the coloration of my blue-eyes. The product is easy to add and doesn’t alter water chemistry. Works well with my existing filter system.
Steven Gibson –
After switching to RainboCode, my fish appear more vibrant. The formula seems to support natural pigmentation without affecting water hardness or stability.