Quick view Details GroStar | sku: AI71117 Apera EC calibration kit (2.77EC, 8oz.) MSRP: $14.99 Was: $14.99 Now: $11.91 Add to Cart
Quick view Details GroStar | sku: AI61170 Apera pH probe maintenance kit MSRP: $23.99 Was: $23.99 Now: $19.07 Add to Cart
Quick view Details GroStar | sku: AI61113 Apera pH calibration kit (pH 4/7, 8oz. each) MSRP: $18.99 Was: $18.99 Now: $15.09 Add to Cart
Quick view Details GroStar | sku: AI58040 Apera GroStar GS4-E replacement pH/EC combo electrode MSRP: $79.99 Was: $79.99 Now: $63.58 Add to Cart
Quick view Details GroStar | sku: AI58030 Apera GroStar GS3-E replacement EC electrode MSRP: $53.99 Was: $53.99 Now: $42.91 Add to Cart
Quick view Details GroStar | sku: AI58020 Apera GroStar GS2-E replacement Soil Spear pH electrode MSRP: $181.99 Was: $181.99 Now: $144.66 Add to Cart
Quick view Details GroStar | sku: AI58010 Apera GroStar GS1-E replacement pH electrode MSRP: $50.99 Was: $50.99 Now: $40.53 Add to Cart
Quick view Details GroStar | sku: AI31020 Apera GroStar GS2 Soil pH Pen MSRP: $256.99 Was: $256.99 Now: $204.28 Add to Cart
Quick view Details GroStar | sku: AI21040 Apera GroStar GS4 pH/EC Combo Pen MSRP: $178.99 Was: $178.99 Now: $142.28 Add to Cart
Quick view Details GroStar | sku: AI11030 Apera GroStar GS3 EC Pen MSRP: $113.99 Was: $113.99 Now: $90.61 Add to Cart
Quick view Details GroStar | sku: AI11010 Apera GroStar GS1 pH Pen MSRP: $115.99 Was: $115.99 Now: $95.83 Add to Cart
Quick view GroStar | sku: AI71117 Apera EC calibration kit (2.77EC, 8oz.) MSRP: $14.99 Was: $14.99 Now: $11.91 Add to Cart
Quick view GroStar | sku: AI61170 Apera pH probe maintenance kit MSRP: $23.99 Was: $23.99 Now: $19.07 Add to Cart
Quick view GroStar | sku: AI61113 Apera pH calibration kit (pH 4/7, 8oz. each) MSRP: $18.99 Was: $18.99 Now: $15.09 Add to Cart
Quick view GroStar | sku: AI58040 Apera GroStar GS4-E replacement pH/EC combo electrode MSRP: $79.99 Was: $79.99 Now: $63.58 Add to Cart
Quick view GroStar | sku: AI58030 Apera GroStar GS3-E replacement EC electrode MSRP: $53.99 Was: $53.99 Now: $42.91 Add to Cart
Quick view GroStar | sku: AI58020 Apera GroStar GS2-E replacement Soil Spear pH electrode MSRP: $181.99 Was: $181.99 Now: $144.66 Add to Cart
Quick view GroStar | sku: AI58010 Apera GroStar GS1-E replacement pH electrode MSRP: $50.99 Was: $50.99 Now: $40.53 Add to Cart
Quick view GroStar | sku: AI31020 Apera GroStar GS2 Soil pH Pen MSRP: $256.99 Was: $256.99 Now: $204.28 Add to Cart
Quick view GroStar | sku: AI21040 Apera GroStar GS4 pH/EC Combo Pen MSRP: $178.99 Was: $178.99 Now: $142.28 Add to Cart
Quick view GroStar | sku: AI11030 Apera GroStar GS3 EC Pen MSRP: $113.99 Was: $113.99 Now: $90.61 Add to Cart
Quick view GroStar | sku: AI11010 Apera GroStar GS1 pH Pen MSRP: $115.99 Was: $115.99 Now: $95.83 Add to Cart