Review on HOCTRAKA Bubbler Diffuser Aquarium Hydroponics by Jill Foster
Great air washers/stones for DWC
Worked great. I would definitely buy them again and recommend them for DWC. Please make sure to soak them in water before operating them. This is necessary so that they create smaller and smaller bubbles in the water. The suction cups are a big plus, they help them stop floating in the water and make them more buoyant. Also, just a note about cleaning. Do not wash in a strong bleach/water solution. The air diffuser material generally melts and breaks.
- Not the best
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