House & Garden Aqua Flakes B, 5 L

House & Garden Aqua Flakes A&B. Aqua Flakes A&B provides the highest quality, fully soluble nutrients designed specifically for recirculating hydroponic applications. This low ppm base is perfect for ebb and flow, DWC, aeroponics, and any type of rockwool. Also use Aqua Flakes in inert peat mixes for best results.