LECA (Hydroponics Clay Pebbles) - 500g

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Rinse and soak Hydro before you use it the first time. Measure the pH value, as new pebbles have a high pH bring if down with pH- to an appropriate and stable pH.
The recommended pH range is 5.5 - 6.5, however this depends on your nutrients.
After each grow (or even during) flush with enzymes to cleean.
Always work very clean to provide infections when using inert hydroponic substrates.
If you have had any disease or infection, disinfect the substrate with a hydrogen peroxide solution. We recommend disinfecting the substrate at least once a year.
When re-using the substrate, leave the small root materials in it. A second grow on the same substrate can give a better result.
We recommend using Gold Label Hydro nutrients on Hydro. There professional hydroponic nutrients contain chelaated micro elements.
If you re-cycle your nutrients make sure that pH and EC levels stay within range. Work very clean to prevent the spread of pathogens throughout your crop.
Clean your tank and replace your nutrient solution at least every week.