€21.80 / 89.61 ₪
For perfect aquarium plant growth: determining the optimal magnesium value for fertilisation control for freshwater aquariums.
Laboratory compressor system to compensate for water colour colouring: fill glass cuvettes with sample water, add reagents in a cuvette, place cuvettes in holders, read values on colour chart.
Magnesium deficiency leads to stagnant growth and bright leaf colour. Remediation with magnesium-containing fertiliser: JBL Ferropol, JBL ProScape Mg Macroelements.