• Nitrite is a toxic nitrogen compound that appears when the bacterial balance is altered or when a new aquarium is set up. The test shows the exact concentration of nitrites in the water.
• Laboratory comparator system to compensate for the color of water: fill the glass cuvettes with a water sample, add the reagents to a cuvette, place the cuvettes on the support, read the values ​​on the color scale.
• Use: in a new freshwater aquarium: for 3 weeks daily. In new marine aquarium: once a week. If the fish get sick or die.
• In the “Aquarium” or “Pond” topic on the JBL website you will find detailed information on water analysis and solutions to problems.
• Supply: 1 nitrite test for approx. 50 measurements, incl. 2 reagents, 2 glass cuvettes with screw cap, syringe, comparator block and color scale. Filling reagent sold separately.

All our products leave our facilities within 24-72 business hours after verifying correct payment for the product. Deliveries in Gran Canaria are carried out by our staff. We also make shipments to Lanzarote, Fuerteventura, Tenerife, La Palma, La Gomera and El Hierro . This service includes an additional cost depending on the weight of the Item, which will be calculated automatically in the payment gateway. We ship to the Peninsula, the costs for this service vary depending on the weight of the items and the amount is calculated automatically on the payment screen. Later you will be assigned a shipping code, so that you can always track your package and thus have greater peace of mind.

Free shipping ONLY on the island of Gran Canaria for purchases over 30 euros, if this is not exceeded there will be a surcharge of 2.99 euros for shipping . The delivery of the purchase will be made to the address you indicate.

Orders for La Aldea de San Nicolás will be delivered to a previously agreed location in Mogán .

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