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DUTCH MASTER ADVANCE - FAQ
Q: Is it alright to use a flower food along with the Advance flower feeding schedule or is it fine by itself. I'm using a 0-50-30 powder?
A: Yes you can use a flower powder in conjunction with Dutch Master Advance. For the BEST results use Dutch Master Potash Plus. This is a fully balanced phosphorus booster that is designed to work hand in hand with Dutch Master Advance. You will see Potash Plus listed in your Dutch Master feed schedule.
Q: Are the PPM measurements on your nutrient calculator based on the EC 500 or EC 700 scale?
A: Our nutrient calculator values are based on the EC 500 scale which most closely approximates conductivity in a nutrient solution. There are 2 so called "standards" with respect to converting EC to PPM. Each one is based on the type of calibration solution used. The EC 500 conversion uses a calibration solution of Sodium Chloride (NaCl) that most meter manufacturers use and the majority experts agree, most closely approximates the conductivity of a hydroponic nutrient solution. The NaCl conversion is approximately 500 x EC (in Millisiemens) hence its nickname of EC 500. The EC 700 scale is used less frequently and mainly in the United States, if at all. The EC 700 scale used to be known as the 442 conversion scale due to the composition of its calibration solution. (40% sodium sulfate, 40% sodium bicarbonate, and 20% sodium chloride). This type of calibration solution is rarely available today as most meter manufacturers use an NaCl calibration solution (EC 500). As Individual nutrient ions have different conductivities, the true ppm of a solution can only be100% determined by a chemical analysis. For the hydroponic enthusiast this PPM conversion (EC 500) will provide you with a good indication as to the strength of your nutrient solution.
Q: Sometimes I find small floating things in my nutrients that look like mold or algae, is the product still OK to use or should I return it to the store?
A: The floating things you can sometimes find in "any" nutrient product, occur from time to time in all manufactured nutrients, from all manufacturers. What you are seeing is some yeast. This yeast is harmless and does not affect the performance of the product and more importantly will not affect the health of your plants, in any way. Yeast spores are present in the air in almost all enclosed areas, like manufacturing centers. Sometimes these yeast spores will slowly grow into small colonies, what people commonly describe as "floaties." All nutrients made by Dutch Master, are manufactured with triple filtered and UV sterilized Reverse Osmosis water together with special additives (used in the food industry) that stop any harmful bacterial growth. We also have an independent laboratory do a plate count (test) for bacteria before bottling, as part of our quality assurance program. Because of this we can safely and confidently say that if, on the rare occasion, you find these "floaties" in your Dutch Master product, it is still perfectly safe to use - both in terms of plant health and product performance.
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