Hold the test.
See the result.

The TankWise 2-in-1 Aquarium Test Tube and Test Strip Holder keeps the tubes, strips, and color chart together while you compare.

Designed forTubes + test stripsMakerSimply Submerged AquaticsAvailable throughEtsy

View the holder on Etsy

Less juggling. More seeing.

Aquarium testing asks you to handle a tube, cap, chart, timer, and changing color at once. The holder gives those pieces one place to live. Read the freshwater testing guide

Freshwater master test kit tubes held upright in the white Simply Submerged Aquatics aquarium test holder beside the color card — A real freshwater test-kit setup

Blue aquarium test holder shown empty — Open slots for a clean setup

Aquarium testing holder in a freshwater aquarium setting — Designed for the aquarium workspace

Third-party test kit shown for context. No affiliation or endorsement is implied.

A physical start to a digital workflow.

The holder does not interpret the water for you. It makes the comparison easier to see, then TankWise gives the result somewhere useful to go.

Follow the result into TankWise

Set the comparison chart

Slide the freshwater color chart into the center guide so it stays upright and visible.

Place tubes or strips

Use the stable slots to keep results aligned while colors develop and settle.

Read side by side

Move your attention between the sample and chart without holding four separate pieces.

Record in TankWise

Carry the reading into the digital tank profile as a new water baseline.

Blue TankWise 2-in-1 aquarium test tube and strip holder

Built for the next water test.

Pricing, colors, stock, delivery estimates, and current product details are kept on the live Etsy listing.

Open the product listing

Hold the test.See the result.