JBL PROAQUATEST LAB – Complete Freshwater Test Case (13 Tests) for Tap Water & Aquariums
Run professional-grade water analyses at home with the JBL PROAQUATEST LAB. Packed in a robust, waterproof case and using a laboratory comparator system, this set covers the 13 key parameters you need to keep freshwater aquariums stable and healthy, plus a CO2 table calculated from pH and KH.
Which parameters are covered?
- pH (three ranges: 3.0-10; 6.0-7.6; 7.4-9.0)
- KH (carbonate hardness)
- GH (general hardness)
- NH4/NH3 (ammonium / ammonia)
- NO2 (nitrite)
- NO3 (nitrate)
- PO4 (phosphate)
- Fe (iron)
- Cu (copper)
- SiO2 (silicate)
- O2 (dissolved oxygen)
Includes a CO2 calculation table derived from your measured pH & KH.
Key features
- Comparator system compensates natural water tint for more reliable color reads.
- Waterproof carry case with child-safe reagent bottles; refill reagents available separately.
- Clear color charts and record sheets for straightforward tracking and action guidance.
- Fast procedures drop-count for KH/GH, timed color reactions for others.
Designed for freshwater aquariums and tap water checks.
What’s included
- 1 test case with 13 tests
- 12 glass vials with caps & 2 plastic cuvettes
- 2 syringes & 3 measuring spoons
- Comparator block
- Thermometer
- Color charts, CO2 table, pen & analysis/record sheets
- Operating instructions
All organised in a durable, waterproof plastic case.
How to use (quick guide)
- Fill the vial to the mark with sample water using the syringe.
- Add the specified drops/powder for the chosen test.
- Place the sample and blank into the comparator block and wait the indicated time.
- Match the color to the chart (count drops to endpoint for KH/GH).
- Log results and consult the included guidance; use pH+KH to read CO2 from the table.
Tip: If a value exceeds the scale, repeat the test with distilled-water dilution to bring it into range.
Pro tips
- Cycling & changes: Test more often during new tank cycling or after filter/media changes.
- Trend over snapshots: Keep the record sheets, patterns matter more than single readings.
- Storage: Keep reagents cool, upright, and tightly closed; avoid contaminating droppers.
- Expand when needed: Add-on tests available for potassium (K), magnesium (freshwater) and CO2 direct.
FAQs
Is this suitable for marine?
The LAB set is optimised for freshwater. For saltwater systems, choose JBL PROAQUATEST LAB Marin.
How many tests are included?
The case provides 13 water tests (including three pH ranges) plus a CO2 table derived from pH & KH.
Are refills available?
Yes, individual reagents and color cards can be purchased separately to keep the kit up to date.
JBL PROAQUATEST LAB puts a full freshwater lab in your hands fast, precise, and neatly organised for dependable, repeatable testing.


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