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The JBL ProAqua Test Magnesium Freshwater is designed for measuring and doing routine checks of magnesium content in freshwater aquariums within a range of 0-10 mg/l (ppm).
- Indicates 0 to 10 as well as > 10 mg/l exactly (recommended value: 5-10 mg/l).
- Very accurate test with 3 reagents.
- The comparator system takes the existing intrinsic colour of the water into account.
- With 2 glass tubes, syringe for the accurate measurement of 5 ml, reagents and laminated colour cards.
- for approx. 60 measurings
- refill pack available
Magnesium and calcium together form the total hardness. Like potassium, magnesium is a macroelement which is required for healthy and strong plant growth. The magnesium levels in mains water (including water with a high total hardness) are very often too low for aquatic plants, so that deficiency symptoms appear after a short time already. The symptoms of magnesium deficiency are similar to those of iron deficiency. Yellowing (chlorosis) occurs between the veins of the leaves. This may be significantly more pronounced than in iron deficiency. Incurved leaves are another symptom. These symptoms are not just limited to old leaves and instead, also appear in new fresh leaves. As a result, the available magnesium concentrations may be too low, causing plant growth to stagnate, even if the aquarium water is fertilised regularly (e.g. weekly). We recommend daily measurements of the potassium concentration of your tank water initially. This permits determination of the plants requirements and corresponding correct dosing of the fertiliser. Afterwards, you can gradually change over to routine measurements carried out at longer intervals. The value should be somewhere between 5 and 50 mg/l for good plant growth.
Brand:
JBL GmbH & Co. KGPrecaution:
Signal world: Danger
Hazard statements:
H314 Causes severe skin burns and eye damage.
Precautionary statements:
P101 If medical advice is needed, have product container or label at hand.
P102 Keep out of reach of children.
P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water [or shower].
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P501 Dispose of contents/container in accordance with national regulations
- Indicates 0 to 10 as well as > 10 mg/l exactly (recommended value: 5-10 mg/l).
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Reviews for JBL ProAqua Test Magnesium Freshwater:
Write a reviewAndreas L. at 24.07.2019:
Der Test ist einfach zu bedienen, aber die mittleren Werte sind schwierig abzulesen
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