Quick view Details Bluelab | sku: HGC716446 Bluelab Replacement pH Leap Probe MSRP: Now: $162.00 Add to Cart Compare Quick view Details sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) MSRP: Now: $250.80 Out of stock Compare Quick view Details sku: HI98131 Hanna GroLine Waterproof Combo Tester HI98131 MSRP: Now: $260.42 Pre-Order Now Compare Quick view Details Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 MSRP: Now: $272.40 Add to Cart Compare Quick view Bluelab | sku: HGC716446 Bluelab Replacement pH Leap Probe Bluelab® Combo Replacement Leap Probe pH MSRP: Now: $162.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the HI9814 Groline portable pH/EC/TDS meter. ·... MSRP: Now: $250.80 Out of stock Compare Quick view sku: HI98131 Hanna GroLine Waterproof Combo Tester HI98131 HI98131 looks a lot like the "black combo pen" you may be familiar with. We improved that black combo tester and made this GroLine version. What did we improve? We cleaned up the menu and made it so that only the 500 or 700... MSRP: Now: $260.42 Pre-Order Now Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired... MSRP: Now: $272.40 Add to Cart Compare Compare Selected × OK
Quick view Details sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) MSRP: Now: $250.80 Out of stock Compare Quick view Details sku: HI98131 Hanna GroLine Waterproof Combo Tester HI98131 MSRP: Now: $260.42 Pre-Order Now Compare Quick view Details Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 MSRP: Now: $272.40 Add to Cart Compare Quick view Bluelab | sku: HGC716446 Bluelab Replacement pH Leap Probe Bluelab® Combo Replacement Leap Probe pH MSRP: Now: $162.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the HI9814 Groline portable pH/EC/TDS meter. ·... MSRP: Now: $250.80 Out of stock Compare Quick view sku: HI98131 Hanna GroLine Waterproof Combo Tester HI98131 HI98131 looks a lot like the "black combo pen" you may be familiar with. We improved that black combo tester and made this GroLine version. What did we improve? We cleaned up the menu and made it so that only the 500 or 700... MSRP: Now: $260.42 Pre-Order Now Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired... MSRP: Now: $272.40 Add to Cart Compare Compare Selected × OK
Quick view Details sku: HI98131 Hanna GroLine Waterproof Combo Tester HI98131 MSRP: Now: $260.42 Pre-Order Now Compare Quick view Details Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 MSRP: Now: $272.40 Add to Cart Compare Quick view Bluelab | sku: HGC716446 Bluelab Replacement pH Leap Probe Bluelab® Combo Replacement Leap Probe pH MSRP: Now: $162.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the HI9814 Groline portable pH/EC/TDS meter. ·... MSRP: Now: $250.80 Out of stock Compare Quick view sku: HI98131 Hanna GroLine Waterproof Combo Tester HI98131 HI98131 looks a lot like the "black combo pen" you may be familiar with. We improved that black combo tester and made this GroLine version. What did we improve? We cleaned up the menu and made it so that only the 500 or 700... MSRP: Now: $260.42 Pre-Order Now Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired... MSRP: Now: $272.40 Add to Cart Compare Compare Selected × OK
Quick view Details Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 MSRP: Now: $272.40 Add to Cart Compare Quick view Bluelab | sku: HGC716446 Bluelab Replacement pH Leap Probe Bluelab® Combo Replacement Leap Probe pH MSRP: Now: $162.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the HI9814 Groline portable pH/EC/TDS meter. ·... MSRP: Now: $250.80 Out of stock Compare Quick view sku: HI98131 Hanna GroLine Waterproof Combo Tester HI98131 HI98131 looks a lot like the "black combo pen" you may be familiar with. We improved that black combo tester and made this GroLine version. What did we improve? We cleaned up the menu and made it so that only the 500 or 700... MSRP: Now: $260.42 Pre-Order Now Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired... MSRP: Now: $272.40 Add to Cart Compare Compare Selected × OK
Quick view Bluelab | sku: HGC716446 Bluelab Replacement pH Leap Probe Bluelab® Combo Replacement Leap Probe pH MSRP: Now: $162.00 Add to Cart Compare Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the HI9814 Groline portable pH/EC/TDS meter. ·... MSRP: Now: $250.80 Out of stock Compare Quick view sku: HI98131 Hanna GroLine Waterproof Combo Tester HI98131 HI98131 looks a lot like the "black combo pen" you may be familiar with. We improved that black combo tester and made this GroLine version. What did we improve? We cleaned up the menu and made it so that only the 500 or 700... MSRP: Now: $260.42 Pre-Order Now Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired... MSRP: Now: $272.40 Add to Cart Compare Compare Selected × OK
Quick view sku: HI12943 Hanna GROLINE DIRECT SOIL/SUBSTRATE PH ELECTRODE FOR HI9814 (HI12943) The HI1294D is a pH electrode for the direct measurement of pH in soil and soilless substrates. The HI1294D is a glass body, refillable, single junction pH electrode and is compatible with the HI9814 Groline portable pH/EC/TDS meter. ·... MSRP: Now: $250.80 Out of stock Compare Quick view sku: HI98131 Hanna GroLine Waterproof Combo Tester HI98131 HI98131 looks a lot like the "black combo pen" you may be familiar with. We improved that black combo tester and made this GroLine version. What did we improve? We cleaned up the menu and made it so that only the 500 or 700... MSRP: Now: $260.42 Pre-Order Now Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired... MSRP: Now: $272.40 Add to Cart Compare Compare Selected × OK
Quick view sku: HI98131 Hanna GroLine Waterproof Combo Tester HI98131 HI98131 looks a lot like the "black combo pen" you may be familiar with. We improved that black combo tester and made this GroLine version. What did we improve? We cleaned up the menu and made it so that only the 500 or 700... MSRP: Now: $260.42 Pre-Order Now Compare Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired... MSRP: Now: $272.40 Add to Cart Compare Compare Selected
Quick view Bluelab | sku: 716497 Bluelab Inline pH Probe 716497 Bluelab Inline pH Probe (replacement probe Guardian Monitor Connect In-Line) Bluelab Inline pH Probe (Replacement Probe Guardian Monitor Connect In-Line) The Bluelab Guardian Monitor Connect In-Line is not only a constant indicator of the desired... MSRP: Now: $272.40 Add to Cart Compare Compare Selected