HM Digital pH 4.0 buffer solution - 20 packets of 20 ml

Name: Grow Tents Depot HM Digital pH 4.0 buffer solution - 20 packets of 20 ml - HM Digital pH 4.0 buffer solution - 20 packets of 20 ml
Brand: Grow Tents Depot
SKU: 49427826344178
Price: 51.99 USD
Availability: InStock

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$51.99

Quantity

Color

Black

Quantity

Description

20 Pack pH 4 Buffer Solution (20) packets of 20 ml pH 4 buffer

Delivery & Returns

Returns accepted within 30 days

Exclusions may apply. See full policy

Exclusive offer available

Grow Tents Depot

4.7 (177)

Product description loading

This is the product description text that will appear here.

PhotonTek SQ300W LED Grow Light product image 1

Exclusive offer available

Grow Tents Depot

PhotonTek SQ300W LED Grow Light

$369.00

L.O.T.U.S. Urban Farm & Garden Supply, Greenville

HM Digital pH 4.0 Buffer Solution, 20 ml sachet

$2.99

Mars Hydro VG80 80W Seedling LED Grow Light product image 1

Exclusive offer available

Grow Tents Depot

Mars Hydro VG80 80W Seedling LED Grow Light

$83.99$99.99

Spider Farmer 4' x 4' x 6' 8" (120 x 120 x 200 cm) Indoor Grow Tent product image 1

Exclusive offer available

Grow Tents Depot

Spider Farmer 4' x 4' x 6' 8" (120 x 120 x 200 cm) Indoor Grow Tent

(2)

$144.99$159.99

Silicium 500 ML Nutrients & Additives / SiLICIUM product image 1

Exclusive offer available

Grow Tents Depot

Silicium 500 ML Nutrients & Additives / SiLICIUM

$179.99$220.00

Hydrobuilder

HM Digital 1000 ppm Calibration Solution, 20 mL Packet - Pack of 20

$20.26

HM Digital pH 80 Handheld pH Meter - Spectrapure

SpectraPure, Inc.

HM Digital pH 80 Handheld pH Meter -MTR-PH-PH80

$78.99

Active Grow 1020 Heavy Duty Microgreen Trays - Shallow No Holes product image 1

Exclusive offer available

Grow Tents Depot

Active Grow 1020 Heavy Duty Microgreen Trays - Shallow No Holes

$40.99

Spider Farmer Grow Kit 4" Inline Fan & Carbon Filter Combo product image 1

Exclusive offer available

Grow Tents Depot

Spider Farmer Grow Kit 4" Inline Fan & Carbon Filter Combo

(2)

$141.99$149.99

Aquager Technologies Wheatgrass product image 1

Exclusive offer available

Grow Tents Depot

Aquager Technologies Wheatgrass

$6.99$7.99

Grow Organic

HM Digital pH Hydrotester Meter

(1)

$49.99

pH Buffer 4 solution bottle, black with orange cap, for calibrating pH meters

Eden Horticulture Ltd

Growth Technology Buffer

$1.72

GroWorks

pH Buffer 4

$4.83

Spider Farmer Glow80 80W Full Spectrum LED Grow Light product image 1

Exclusive offer available

Grow Tents Depot

Spider Farmer Glow80 80W Full Spectrum LED Grow Light

$84.99$93.99

Grow1 Adjustable Arched Reflector HPS DE 1000W product image 1

Exclusive offer available

Grow Tents Depot

Grow1 Adjustable Arched Reflector HPS DE 1000W

$110.99

Spider Farmer SF4000 450W Dimmable Full Spectrum LED Grow Light product image 1

Exclusive offer available

Grow Tents Depot

Spider Farmer SF4000 450W Dimmable Full Spectrum LED Grow Light

(5)

$277.99$339.99

Plant Success / Great White King Crab 32 oz product image 1

Exclusive offer available

Grow Tents Depot

Plant Success / Great White King Crab 32 oz

$129.99

40% off

US Water Systems

PH-200 HM Digital Professional Grade Handheld pH Meter

(1)

$99.95$166.59

NPK Industries RAW Nitrogen 8oz product image 1

Exclusive offer available

Grow Tents Depot

NPK Industries RAW Nitrogen 8oz

$48.99

Xtreme Gardening AZOS root booster/growth promoter 2 oz 12/cs product image 1

Exclusive offer available

Grow Tents Depot

Xtreme Gardening AZOS root booster/growth promoter 2 oz 12/cs

$47.99

PhotonTek X 600W Pro LED Grow Light product image 1

Exclusive offer available

Grow Tents Depot

PhotonTek X 600W Pro LED Grow Light

$506.99$549.00

OneDeal 4' x 4' x 6'6" Indoor Grow Tent product image 1

Exclusive offer available

Grow Tents Depot

OneDeal 4' x 4' x 6'6" Indoor Grow Tent

(1)

$216.99

Hydrobuilder

HM Digital pH 4.0 Buffer Solution, 20 mL Packet - Pack of 20

$20.26

Fresh Water Systems

HM Digital TDS-4 Pocket Size TDS Meter

$19.46

PhotonTek X 1000W Pro LED Grow Light product image 1

Exclusive offer available

Grow Tents Depot

PhotonTek X 1000W Pro LED Grow Light

$1,349.00

NPK Industries RAW Calcium/Mag 2lb product image 1

Exclusive offer available

Grow Tents Depot

NPK Industries RAW Calcium/Mag 2lb

$87.99$88.85

HM Digital Replacement pH sensor for HM-500/ HM-200 product image 1

Exclusive offer available

Grow Tents Depot

HM Digital Replacement pH sensor for HM-500/ HM-200

$82.99

Spider Farmer 5' x 5' x 6' 8" (150 x 150 x 200 cm) Indoor Grow Tent product image 1

Exclusive offer available

Grow Tents Depot

Spider Farmer 5' x 5' x 6' 8" (150 x 150 x 200 cm) Indoor Grow Tent

(6)

$176.99$199.99

Roots Organics Terp Tea Grow 9 lb product image 1

Exclusive offer available

Grow Tents Depot

Roots Organics Terp Tea Grow 9 lb

$93.99

Hydrobuilder

HM Digital PH-80 HydroTester Series pH/Temp Meter

$37.20

Spider Farmer SE5000 480W Dimmable Full Spectrum LED Grow Light product image 1

Exclusive offer available

Grow Tents Depot

Spider Farmer SE5000 480W Dimmable Full Spectrum LED Grow Light

(2)

$349.99$409.99

Netafim Super Manual Disc Filter 1.5in 140 Mesh 10-52GPM product image 1

Exclusive offer available

Grow Tents Depot

Netafim Super Manual Disc Filter 1.5in 140 Mesh 10-52GPM

$298.99$305.76

Mars Hydro MH Plantstand M MH-PlantStand-M product image 1

Exclusive offer available

Grow Tents Depot

Mars Hydro MH Plantstand M MH-PlantStand-M

$178.99$199.99

Hydrofarm Trellis Netting 3.5" Mesh woven 5' x 60' product image 1

Exclusive offer available

Grow Tents Depot

Hydrofarm Trellis Netting 3.5" Mesh woven 5' x 60'

$59.99

Spider Farmer G3000 LED Grow Light + 3' x 3' Grow Tent + 4" Inline Fan product image 1

Exclusive offer available

Grow Tents Depot

Spider Farmer G3000 LED Grow Light + 3' x 3' Grow Tent + 4" Inline Fan

$515.99$730.99

Spider Farmer G1500 150W Dimmable Full Spectrum LED Grow Light product image 1

Exclusive offer available

Grow Tents Depot

Spider Farmer G1500 150W Dimmable Full Spectrum LED Grow Light

(1)

$134.99$149.99

Spider Farmer SF2000 LED Grow Light + 2' x 4' Grow Tent + Inline Fan product image 1

Exclusive offer available

Grow Tents Depot

Spider Farmer SF2000 LED Grow Light + 2' x 4' Grow Tent + Inline Fan

(1)

$459.99$579.99

Active Grow 1020 Heavy Duty Microgreen Trays - Shallow w/ Holes product image 1

Exclusive offer available

Grow Tents Depot

Active Grow 1020 Heavy Duty Microgreen Trays - Shallow w/ Holes

$40.99

Spider Farmer G4500 LED Grow Light + 2.3' x 4.6' Grow Tent + 4" Inline product image 1

Exclusive offer available

Grow Tents Depot

Spider Farmer G4500 LED Grow Light + 2.3' x 4.6' Grow Tent + 4" Inline

$557.99$625.99

Spider Farmer G4500 450W Dimmable Full Spectrum LED Grow Light product image 1

Exclusive offer available

Grow Tents Depot

Spider Farmer G4500 450W Dimmable Full Spectrum LED Grow Light

$220.99$269.99

Get Ultimate Now

HM Digital CP-1000 Calibration Solution – 1000 ppm NaCl, 20-Pack

$54.99

Hydrofarm Electronic Water Timer product image 1

Exclusive offer available

Grow Tents Depot

Hydrofarm Electronic Water Timer

$57.99

Supreme Lux 4' SupremeLux 24w T5 LED Bulbs - Full Spectrum White 6500k product image 1

Exclusive offer available

Grow Tents Depot

Supreme Lux 4' SupremeLux 24w T5 LED Bulbs - Full Spectrum White 6500k

$51.99

Fresh Water Systems

HM Digital PH-80 Handheld pH / Temp Meter

(4)

$38.77

PHOTOBIO T LED 330W Driver 100-277V (driver only) product image 1

Exclusive offer available

Grow Tents Depot

PHOTOBIO T LED 330W Driver 100-277V (driver only)

$295.99

PhotonTek XT 1000W CO2 Pro LED Grow Light product image 1

Exclusive offer available

Grow Tents Depot

PhotonTek XT 1000W CO2 Pro LED Grow Light

$1,299.00

NPK Industries RAW Microbes Bloom Stage 8oz product image 1

Exclusive offer available

Grow Tents Depot

NPK Industries RAW Microbes Bloom Stage 8oz

$51.99

Spider Farmer GGS Smart Grow Light Controller Kit product image 1

Exclusive offer available

Grow Tents Depot

Spider Farmer GGS Smart Grow Light Controller Kit

$71.99$79.99

NPK Industries RAW Calcium/Mag 2oz product image 1

Exclusive offer available

Grow Tents Depot

NPK Industries RAW Calcium/Mag 2oz

$39.99

4% off

Get Ultimate Now

HM Digital PH-200 Waterproof Portable Water Quality Tester

$76.99$79.99

Exclusive offer available

Grow Tents Depot

Sper Scientific Direct Advanced Light Meter

$204.60

NPK Industries RAW Amino Acids 2oz product image 1

Exclusive offer available

Grow Tents Depot

NPK Industries RAW Amino Acids 2oz

$45.99

Spider Farmer G8600 860W Dimmable Full Spectrum LED Grow Light product image 1

Exclusive offer available

Grow Tents Depot

Spider Farmer G8600 860W Dimmable Full Spectrum LED Grow Light

$466.99$569.99

Spider Farmer SF2000 200W Dimmable Full Spectrum LED Grow Light product image 1

Exclusive offer available

Grow Tents Depot

Spider Farmer SF2000 200W Dimmable Full Spectrum LED Grow Light

(2)

$161.99$179.99

Spring-Clear.co.uk

Calibration Solution HM Digital TDS

$14.00

The Hydro Bros

Growth Technology pH Buffer Solution

(2)

$6.00

Mars Hydro ADlite Deep Red 27W + Blue 27W Supplemental LED Grow Light product image 1

Exclusive offer available

Grow Tents Depot

Mars Hydro ADlite Deep Red 27W + Blue 27W Supplemental LED Grow Light

$122.99

Hydrobuilder

HM Digital pH 7.0 Buffer Solution, 20 mL Packet - Pack of 20

$20.26

AC Infinity IONGRID T24 Full Spectrum LED Grow Light 260W Samsung product image 1

Exclusive offer available

Grow Tents Depot

AC Infinity IONGRID T24 Full Spectrum LED Grow Light 260W Samsung

(1)

$533.99

ALIEN Hydroponics V-SYSTEM 24 Pot 4 Row Kit product image 1

Exclusive offer available

Grow Tents Depot

ALIEN Hydroponics V-SYSTEM 24 Pot 4 Row Kit

$9,082.54

HM Digital Pro Series Pen style pH/TDS/EC/Temp meter product image 1

Exclusive offer available

Grow Tents Depot

HM Digital Pro Series Pen style pH/TDS/EC/Temp meter

$181.99

Atlantis Hydroponics and Garden Supply

HM Digital pH Meter Model PH-80

$44.99

Dirt Pot Flexible Portable Planter Tan 30 gal w/ handles product image 1

Exclusive offer available

Grow Tents Depot

Dirt Pot Flexible Portable Planter Tan 30 gal w/ handles

$46.99

ALIEN Hydroponics RDWC 4 Pot 2 Row 36L Remote Header Kit product image 1

Exclusive offer available

Grow Tents Depot

ALIEN Hydroponics RDWC 4 Pot 2 Row 36L Remote Header Kit

$1,041.99

Active Grow 72-Cell Heavy Duty Seed Starting Trays product image 1

Exclusive offer available

Grow Tents Depot

Active Grow 72-Cell Heavy Duty Seed Starting Trays

$33.99

NPK Industries RAW Microbes Grow Stage 8oz product image 1

Exclusive offer available

Grow Tents Depot

NPK Industries RAW Microbes Grow Stage 8oz

$51.99

HM Digital pH 4.0 buffer solution - 20 packets of 20 ml

Delivery & Returns

Grow Tents Depot

You might also like

PhotonTek SQ300W LED Grow Light

HM Digital pH 4.0 Buffer Solution, 20 ml sachet

Mars Hydro VG80 80W Seedling LED Grow Light

Spider Farmer 4' x 4' x 6' 8" (120 x 120 x 200 cm) Indoor Grow Tent

Silicium 500 ML Nutrients & Additives / SiLICIUM

HM Digital 1000 ppm Calibration Solution, 20 mL Packet - Pack of 20

HM Digital pH 80 Handheld pH Meter -MTR-PH-PH80

Active Grow 1020 Heavy Duty Microgreen Trays - Shallow No Holes

Spider Farmer Grow Kit 4" Inline Fan & Carbon Filter Combo

Aquager Technologies Wheatgrass

HM Digital pH Hydrotester Meter

Growth Technology Buffer

pH Buffer 4

Spider Farmer Glow80 80W Full Spectrum LED Grow Light

Grow1 Adjustable Arched Reflector HPS DE 1000W

Spider Farmer SF4000 450W Dimmable Full Spectrum LED Grow Light

Plant Success / Great White King Crab 32 oz

PH-200 HM Digital Professional Grade Handheld pH Meter

NPK Industries RAW Nitrogen 8oz

Xtreme Gardening AZOS root booster/growth promoter 2 oz 12/cs

PhotonTek X 600W Pro LED Grow Light

OneDeal 4' x 4' x 6'6" Indoor Grow Tent

HM Digital pH 4.0 Buffer Solution, 20 mL Packet - Pack of 20

HM Digital TDS-4 Pocket Size TDS Meter

PhotonTek X 1000W Pro LED Grow Light

NPK Industries RAW Calcium/Mag 2lb

HM Digital Replacement pH sensor for HM-500/ HM-200

Spider Farmer 5' x 5' x 6' 8" (150 x 150 x 200 cm) Indoor Grow Tent

Roots Organics Terp Tea Grow 9 lb

HM Digital PH-80 HydroTester Series pH/Temp Meter

Spider Farmer SE5000 480W Dimmable Full Spectrum LED Grow Light

Netafim Super Manual Disc Filter 1.5in 140 Mesh 10-52GPM

Mars Hydro MH Plantstand M MH-PlantStand-M

Hydrofarm Trellis Netting 3.5" Mesh woven 5' x 60'

Spider Farmer G3000 LED Grow Light + 3' x 3' Grow Tent + 4" Inline Fan

Spider Farmer G1500 150W Dimmable Full Spectrum LED Grow Light

Spider Farmer SF2000 LED Grow Light + 2' x 4' Grow Tent + Inline Fan

Active Grow 1020 Heavy Duty Microgreen Trays - Shallow w/ Holes

Spider Farmer G4500 LED Grow Light + 2.3' x 4.6' Grow Tent + 4" Inline

Spider Farmer G4500 450W Dimmable Full Spectrum LED Grow Light

HM Digital CP-1000 Calibration Solution – 1000 ppm NaCl, 20-Pack

Hydrofarm Electronic Water Timer

Supreme Lux 4' SupremeLux 24w T5 LED Bulbs - Full Spectrum White 6500k

HM Digital PH-80 Handheld pH / Temp Meter

PHOTOBIO T LED 330W Driver 100-277V (driver only)

PhotonTek XT 1000W CO2 Pro LED Grow Light

NPK Industries RAW Microbes Bloom Stage 8oz

Spider Farmer GGS Smart Grow Light Controller Kit

NPK Industries RAW Calcium/Mag 2oz

HM Digital PH-200 Waterproof Portable Water Quality Tester

Sper Scientific Direct Advanced Light Meter

NPK Industries RAW Amino Acids 2oz

Spider Farmer G8600 860W Dimmable Full Spectrum LED Grow Light

Spider Farmer SF2000 200W Dimmable Full Spectrum LED Grow Light

Calibration Solution HM Digital TDS

Growth Technology pH Buffer Solution

Mars Hydro ADlite Deep Red 27W + Blue 27W Supplemental LED Grow Light

HM Digital pH 7.0 Buffer Solution, 20 mL Packet - Pack of 20

AC Infinity IONGRID T24 Full Spectrum LED Grow Light 260W Samsung

ALIEN Hydroponics V-SYSTEM 24 Pot 4 Row Kit

HM Digital Pro Series Pen style pH/TDS/EC/Temp meter

HM Digital pH Meter Model PH-80

Dirt Pot Flexible Portable Planter Tan 30 gal w/ handles

ALIEN Hydroponics RDWC 4 Pot 2 Row 36L Remote Header Kit

Active Grow 72-Cell Heavy Duty Seed Starting Trays

NPK Industries RAW Microbes Grow Stage 8oz

Delivery & Returns

Grow Tents Depot

You might also like

PhotonTek SQ300W LED Grow Light

HM Digital pH 4.0 Buffer Solution, 20 ml sachet

Mars Hydro VG80 80W Seedling LED Grow Light

Spider Farmer 4' x 4' x 6' 8" (120 x 120 x 200 cm) Indoor Grow Tent

Silicium 500 ML Nutrients & Additives / SiLICIUM

HM Digital 1000 ppm Calibration Solution, 20 mL Packet - Pack of 20

HM Digital pH 80 Handheld pH Meter -MTR-PH-PH80