Bluelab Carry Case Plant Care & Nutrients these new OD trays are

these new OD trays are an economical purchase for the space-minded consumer

General Hydroponics pH Control Kit contains 8 oz pH UP

It installs in minutes without special tools and will permanently bond to any clean plastic sheeting

Cyclone can be used on softwood and semi-hardwood cuttings

Hole in center of cover measures 1/2 inch in diameter

Bluelab Carry Case Plant Care & Nutrients these new OD trays areThe Bluelab Carry Case provides a custom fit so you can use and read your Bluelab Meter right from the carry case. A firm outer casing offers impact reduction for your Meter. There are two pockets in the top of the case especially made for meter probes. The internal strap is a tidy way to tuck away the probe cables. Removable and adjustable straps provide even more comfort and convenience. The strap can be hung on the wall or used over your shoulder,