23_3/4x23_3/4x1Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack nutrient-combo It is necessary to store

It is necessary to store a pH electrode in a solution in order to keep the glass membrane of the pH electrode hydrated

MYCO JORDAN™ – PROFESSIONAL MYCORRHIZAL INOCULANT

EZ Tea Veg is an instant microbial tea that contains all the aspects of a compost tea

We also carry greenhouse film repair tape

Full spectrum (6400K) grow lights replicate natural sunlight for year round growing

23_3/4x23_3/4x1Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack nutrient-combo It is necessary to storeNordic Pure Custom MERV 8 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition