View Cart "GroChek Combo" was successfully added to your cart.

Showing all 11 results

TDS Meters

Knowing the dissolved solids level of your hydroponic solution is critical when adding supplements and maintaining optimum levels of nutrients. These professional quality TDS meters will give you accurate information on your solution’s total dissolved solids. Some combine TDS and EC readings making conversions automatic. Want the fastest, most abundant growth possible? Get reading!