Diatomaceous Earth UV adapter collar to increase pH

adapter collar to increase pH probe thread to 1 ft NPT and conductivity probe with 1 ft NPT thread

Automatic electronic heater

keeping your eyes cool and moist under bright grow room lights

House & Garden Aqua Flakes A&B

Diatomaceous Earth UV adapter collar to increase pHDiatomaceous Earth is an odorless and Non Toxic white powder. It is composed of finely milled fossilized shells of organisms called diatoms. The powder has an abrasive quality similar to pumice with very high porosity. The porosity allows it to absorb moisture easily. Because of the pumice like quality of fossil shell flour, it is widely used to deter crawling insect pests USEFUL INFO Use to control crawling indoor & outdoor pests such as crickets,