Add to Cart Coco Caps 4" 10pk GROW!T MSRP: Now: $5.25 Was: An alternative to plastic covers for rockwool blocks. Use Coco Caps to help prevent light penetration that may cause algae growth.
Add to Cart PH600-Box Milwaukee Tester with buffer Milwaukee MSRP: Now: $27.00 Was: Milwaukee's economical testers are easy-to-use and low cost instruments to measure quick and reliable pH, EC or TDS values. Measuring electrical conductivity is the best way of checking the amount of...
