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Two screws are used to secure the fit
For calibration of pH meters at pH 4
100% made in the USA
The GroVision® 'Classic' High Performance Shades® feature a full color retail display box
A broad-spectrum insecticide
Hydro Flow® Rain Ring® Size:Hydro Flow - Rain Ring 12 in (1/Bag) Two screws are used toThe Hydro Flow Rain Ring is a great solution for automating your garden. Its versatility allows you to effectively water soil as well as hydroponic growing media, without using small irrigation lines and drip stakes. The Rain Ring has several strategically positioned distribution holes to fully moisten your grow media. Its heavy duty construction allows them to be used indoors under HID lighting and in full sun outdoor applications. Soak and rinse
