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starting in week 3
at too high or too low a pH
this unit is safe for both fresh and saltwater use
Brushless Thermally Protected AC Motors: These use sealed for life bearings that will not require any lubrication
NPK Industries RAW Silica 10lb hawthorne starting in week 3Description NPK RAW Silica 10lbs NPK RAW Silica 10lbs: RAW Silica contains 45% Silicon Dioxide which is the highest concentration of silicon dioxide available to the home gardener. RAW Silica is flowable and suspend able in water and naturally available to the plant. Since RAW Silica is a natural form of silicon dioxide, it is PH neutral and does not cloud when added to water. RAW Silica can be used during all stages of growth and bloom for optimal
