Vivosun VGrow Smart Grow Box - New Arrivals Expert's Choice

CoolTube

CoolTube is a white, soft poly hose made for hydroponic use. Cool your nutrient by up to 10% over black poly pipe and increase dissolved oxygen by 20%. Dual layer black inner/white outer construction. We, at Hydro Experts, sell CoolTube White Soft Poly Hose of varying sizes.

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