Hydro Flow Black Vinyl Tubing, 1/4 Inch (ID), 100 Feet Choose your Tubing Size & Length:3/4 in. (ID) x 100 ft. soluble powder which can be

soluble powder which can be added directly to a reservoir or made into a stock concentrate and injected

and wire connectors

Packaging: 9

This 2-Site expansion kit from Current Culture allows you to expand your Under Current XL13 system by 2-sites

Hydro Flow Black Vinyl Tubing, 1/4 Inch (ID), 100 Feet Choose your Tubing Size & Length:3/4 in. (ID) x 100 ft. soluble powder which can beHydro Flow Black Vinyl Tubing Premium excellent quality vinyl tubing. Made in the USA. Available sizes 3 16 in ID 1 4 in OD 100 ft 1 4 in ID 3 8 in OD 100 ft 3 8 in ID 1 2 in OD 100 ft 1 2 in ID 5 8 in OD 100 ft 3 4 in ID 1 in OD 100 ft 1 in ID 1. 25 in OD 50 ft