• Determines the level of nitrates for ideal plant growth or possible cause of algae in fresh and salt 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: once a week. In new marine aquarium: once a week. In case of problems with green algae.
• In the “Aquarium” or “Pond” topic on the JBL website you will find detailed information on water analysis and solutions to problems.
• Supply: 1 nitrate test for approx. 40 measurements, incl. 2 reagents, 2 glass cuvettes with screw cap, syringe, measuring spoon, 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 on 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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