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- USA
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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
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Description
JBL ProAquaTest Mg-Ca Magnesium-CalciumEffortlessly and accurately track the water parameters in your aquarium. This kit identifies the optimal magnesium and calcium levels essential for robust growth in corals and calcareous red algae. Simple to operate: start with the calcium test, followed by the magnesium test; subtract the calcium test result from the magnesium test result to determine the magnesium level. Measurement capacity: the total number of tests you can perform is contingent
- Effortlessly and accurately track the water parameters in your aquarium. This kit identifies the optimal magnesium and calcium levels essential for robust growth in corals and calcareous red algae.
- Simple to operate: start with the calcium test, followed by the magnesium test; subtract the calcium test result from the magnesium test result to determine the magnesium level.
- Measurement capacity: the total number of tests you can perform is contingent on the calcium and magnesium concentrations.
- For comprehensive details and troubleshooting advice on water testing, visit the JBL website under Essentials/Aquarium or Pond.
- Included in the package: 1 magnesium test kit and 1 calcium test kit, featuring 5 reagents, 2 plastic cuvettes, a syringe, and a dosing spoon. Reagent refills are available for purchase separately.
Expires on 30 Sep 2027
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 673 reviews
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Product Reviews
★★★★★ 4
Great !
Size: 10.5, Color: Black
Orginal and comfortable shoes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 22, 2025
★★★★★ 5
La mejor compra
Size: 9.5, Color: Black, Size: 9.5, Color: Black
El final. La
Piel igual que en la foto súper suave y para nada sintéticas. Súper cómodos y ajustan al tamaño pedido al 100%
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Reviewed in the United States on November 1, 2025
★★★★★ 2
Runs much bigger than expected
Size: 8.5, Color: White
Nice design and looks good, but sizing is completely off. Ordered 8.5 (usual size) and it fits much larger, closer to a 9.5. Already did two exchanges and both had the same issue. Not reliable sizing.
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Reviewed in the United States on March 19, 2026
★★★★★ 5
Great shoe!
Size: 8.5, Color: White
Love these! They are exactly what I wanted! They fit a little bigger than I expected, but other than that they are perfect and very comfortable!
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Reviewed in the United States on July 18, 2025
★★★★★ 5
Bien
Size: 7.5, Color: White
buen producto y la atencion de entrega rapida y antes de su plazo
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Reviewed in the United States on August 26, 2025
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