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ProPowders are highly soluble compared to many powder formulations. In fact, they remain highly soluble even in hard, cold water – see chart below. They do NOT require RO water or warm water.
The weight of ProPowder bags are configured to create a specific volume of stock concentrate. For example, the Veg-1, 215g bag makes 1L of liquid stock (stock concentrate), or 180L of nutrient solution (working nutrient).
ProPowders are ‘homogenous’ which enables part bags to be used without affecting plant performance or reservoir stability.
Measure powder dose rates using weight scales. Measuring by volume (ml or tsp) is inaccurate.
For reservoirs ranging from 10L–1,000L, the optimum scales are 3kg with a resolution of +/- 0.1g ie. typically termed 3kg x 0.1g.
Liquid stock generally lasts 6 months or longer. For best results, add 1ml/L System Maintenance and store below 25°C (77°F) in dark or opaque containers away from direct sunlight.
Yes, liquid and powder can be used interchangeably. For dose rates, simply refer to the corresponding dose chart. For example, if using the FloraMax liquid dose chart, but want to use Resin-XS ‘powder’’, simply replace the Resin-XS liquid rates with those from the FloraMax ProPowder dose chart. Also, for a given product, you can dose using a combination of liquid version and powder in the same reservoir.
Do NOT combine a Stock Concentrate with the equivalent FloraMax liquid version when in concentrated form.
The reason for the large difference between their NPK specification and Guaranteed Analysis is that the powder contains no water and is therefore more concentrated. This makes the powder far easier to transport and store.






























