top of page
Store / maintenance
General Hydroponics Standard Reference Solution 1500 ppm 8 fluid ounce 250 milliliter 1/ each

General Hydroponics Standard Reference Solution 1500 ppm 8 fluid ounce 250 milliliter 1/ each

SKU 203421
10.40
﹟fave
SRP⠀ 13.42 − 3.02
Bulk pricing available for quantities of 6 units or more
✅ price beat guarantee
1
Buy more, save more
Quantity Price per item Discount
6 items 6.97 33% off
12 items 6.13 41% off
Save this product for later
Share this product with your friends
Pin it
General Hydroponics Standard Reference Solution 1500 ppm 8 fluid ounce 250 milliliter 1/ each
Product Details
UPC: 793094015714
Brand: General Hydroponics
Available stock: 28+

price per unit: liter & gallon

item *bulk qty
203421  *6/ pack *12/ case
🔆
43

.96

166

.40
💧
29

.45

111

.49
🍅
25

.92

98

.11

🌱 General Hydroponics PPM calibration solution is made with the highest quality electronic meter reference solutions in mind. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics check each batch to ensure that our solutions are exactly calibrated each time they are used. Add this solution to your grow room supplies today!
Show More
You May Also Like
BioSafe Systems GreenClean Acid Cleaner
BioSafe Systems GreenClean Acid Cleaner
BioSafe Systems GreenClean Acid Cleaner
SKU 2388212
SRP⠀ 249.24
− 26.50
222.74
﹟fave
Alchemist Isopropyl Alcohol 99.9% Purity
Alchemist Isopropyl Alcohol 99.9% Purity
Alchemist Isopropyl Alcohol 99.9% Purity
SKU 2059812
SRP⠀ 23.60
− 4.61
18.99
﹟fave
CYCO Buffer pH Up
CYCO Buffer pH Up
CYCO Buffer pH Up
SKU 2007712
SRP⠀ 11.52
− 3.40
8.12
﹟fave
The Amazing Doctor Zymes Enzymatic Cleaner Professional Multi-Purpose Cleaner Concentrate
The Amazing Doctor Zymes Enzymatic Cleaner Professional Multi-Purpose Cleaner Concentrate
The Amazing Doctor Zymes Enzymatic Cleaner Professional Multi-Purpose Cleaner Concentrate
SKU 2395012
SRP⠀ 22.02
− 4.52
17.50
BASF Trinity TR Fungicide Total Release TR Aerosol Fogger Can 4 fluid ounce 125 milliliter 1/ each
BASF Trinity TR Fungicide Total Release TR Aerosol Fogger Can 4 fluid ounce 125 milliliter 1/ each
BASF Trinity TR Fungicide Total Release TR Aerosol Fogger Can 4 fluid ounce 125 milliliter 1/ each
SKU 239401
SRP⠀ 84.08
− 14.72
69.36
﹟fave
The Amazing Doctor Zymes Enzymatic Cleaner Professional Multi-Purpose Cleaner Ready To Use RTU
The Amazing Doctor Zymes Enzymatic Cleaner Professional Multi-Purpose Cleaner Ready To Use RTU
The Amazing Doctor Zymes Enzymatic Cleaner Professional Multi-Purpose Cleaner Ready To Use RTU
SKU 2394812
SRP⠀ 15.30
− 3.14
12.16
Kemin Laboratoire M2 Thymox Bactericide/Fungicide/Disinfectant
Kemin Laboratoire M2 Thymox Bactericide/Fungicide/Disinfectant
Kemin Laboratoire M2 Thymox Bactericide/Fungicide/Disinfectant
SKU 2176012
SRP⠀ 226.55
− 31.50
195.05
﹟organic﹟fave
FoxFarm Bush Doctor Force of Nature Miticide 1 quart 1 liter 1/ each
FoxFarm Bush Doctor Force of Nature Miticide 1 quart 1 liter 1/ each
FoxFarm Bush Doctor Force of Nature Miticide 1 quart 1 liter 1/ each
SKU 206581
SRP⠀ 76.29
− 19.46
56.83
Fertilome Fruit Tree Spray Neem 70%, Pyrethrins 0.25%, etc. 1 pint 500 milliliter 1/ each
Fertilome Fruit Tree Spray Neem 70%, Pyrethrins 0.25%, etc. 1 pint 500 milliliter 1/ each
Fertilome Fruit Tree Spray Neem 70%, Pyrethrins 0.25%, etc. 1 pint 500 milliliter 1/ each
SKU 241461
SRP⠀ 34.18
− 6.33
27.85
Floramite Miticide SC/ LS 8 fluid ounce 250 milliliter 1/ each
Floramite Miticide SC/ LS 8 fluid ounce 250 milliliter 1/ each
Floramite Miticide SC/ LS 8 fluid ounce 250 milliliter 1/ each
SKU 211651
SRP⠀ 159.22
− 26.50
132.72
﹟fave
SaferGro Mildew Cure Ready to Use RTU with Trigger Sprayer Bottle 1 quart 1 liter 1/ each
SaferGro Mildew Cure Ready to Use RTU with Trigger Sprayer Bottle 1 quart 1 liter 1/ each
SaferGro Mildew Cure Ready to Use RTU with Trigger Sprayer Bottle 1 quart 1 liter 1/ each
SKU 207491
SRP⠀ 22.47
− 4.39
18.08
﹟fave
Pyur Hydrogen Peroxide H2O2 34%
Pyur Hydrogen Peroxide H2O2 34%
Pyur Hydrogen Peroxide H2O2 34%
SKU 2162912
SRP⠀ 43.60
− 6.76
36.84
Fertilome Fungicide II Liquid Systemic Propiconazole 1.55% 1 quart 1 liter 1/ each
Fertilome Fungicide II Liquid Systemic Propiconazole 1.55% 1 quart 1 liter 1/ each
Fertilome Fungicide II Liquid Systemic Propiconazole 1.55% 1 quart 1 liter 1/ each
SKU 241471
SRP⠀ 29.39
− 5.44
23.95
BASF Attain Insecticide Total Release TR Aerosol Fogger Can 2 fluid ounce 60 milliliter 1/ each
BASF Attain Insecticide Total Release TR Aerosol Fogger Can 2 fluid ounce 60 milliliter 1/ each
BASF Attain Insecticide Total Release TR Aerosol Fogger Can 2 fluid ounce 60 milliliter 1/ each
SKU 239151
SRP⠀ 52.64
− 9.22
43.42
﹟fave
Mammoth CannControl Pest Control
Mammoth CannControl Pest Control
Mammoth CannControl Pest Control
SKU 2190412
SRP⠀ 32.03
− 0.48
31.55
﹟fave
Advanced Nutrients pH Buffer pH Down
Advanced Nutrients pH Buffer pH Down
Advanced Nutrients pH Buffer pH Down
SKU 2029612
SRP⠀ 36.01
− 6.67
29.34
BioSafe Systems Oxidate 5.0 Fungicide
BioSafe Systems Oxidate 5.0 Fungicide
BioSafe Systems Oxidate 5.0 Fungicide
SKU 2160712
SRP⠀ 149.22
− 16.50
132.72
SaferGro Pest Out Concentrate
SaferGro Pest Out Concentrate
SaferGro Pest Out Concentrate
SKU 2075012
SRP⠀ 35.96
− 7.02
28.94
﹟fave
Hanna Instruments TDS Calibration Solution 1500 mg/L (ppm) TDS value @25°C
Hanna Instruments TDS Calibration Solution 1500 mg/L (ppm) TDS value @25°C
Hanna Instruments TDS Calibration Solution 1500 mg/L (ppm) TDS value @25°C
SKU 2108712
SRP⠀ 2.46
− 0.53
1.93
﹟organic
Garden Essentials Neem Oil Pure Cold-pressed 1 pint 500 milliliter 1/ each
Garden Essentials Neem Oil Pure Cold-pressed 1 pint 500 milliliter 1/ each
Garden Essentials Neem Oil Pure Cold-pressed 1 pint 500 milliliter 1/ each
SKU 206941
SRP⠀ 29.36
− 5.44
23.92
Vegamatrix Hard-N-Quick 1 quart 1/ each
Vegamatrix Hard-N-Quick 1 quart 1/ each
Vegamatrix Hard-N-Quick 1 quart 1/ each
SKU 243011
SRP⠀ 72.99
− 55.84
17.15
FoxFarm Cultivation Nation pH Down
FoxFarm Cultivation Nation pH Down
FoxFarm Cultivation Nation pH Down
SKU 2436912
SRP⠀ 144.40
− 83.50
60.90
﹟organic
Gowan M-pede Insecticide/Miticide/Fungicide 2.5 gallon 10 liter 1/ each
Gowan M-pede Insecticide/Miticide/Fungicide 2.5 gallon 10 liter 1/ each
Gowan M-pede Insecticide/Miticide/Fungicide 2.5 gallon 10 liter 1/ each
SKU 238901
SRP⠀ 189.72
− 26.50
163.22
Doktor Doom Spider Mite Knock Out Insecticide & Miticide Pyrethrin Pressurized Aerosol Spray Can 1 pint 500 milliliter 1/ each
Doktor Doom Spider Mite Knock Out Insecticide & Miticide Pyrethrin Pressurized Aerosol Spray Can 1 pint 500 milliliter 1/ each
Doktor Doom Spider Mite Knock Out Insecticide & Miticide Pyrethrin Pressurized Aerosol Spray Can 1 pint 500 milliliter 1/ each
SKU 208991
SRP⠀ 33.50
− 5.53
27.97
﹟fave
Central Coast Garden Products Buffer pH Down 75% Phosphoric Acid 1 quart 1 liter 1/ each
Central Coast Garden Products Buffer pH Down 75% Phosphoric Acid 1 quart 1 liter 1/ each
Central Coast Garden Products Buffer pH Down 75% Phosphoric Acid 1 quart 1 liter 1/ each
SKU 200711
SRP⠀ 28.99
− 5.37
23.62
﹟fave
CYCO Buffer pH Down
CYCO Buffer pH Down
CYCO Buffer pH Down
SKU 2007312
SRP⠀ 11.51
− 3.40
8.11
Greenspire Global Procidic 2 Bactericide and Fungicide
Greenspire Global Procidic 2 Bactericide and Fungicide
Greenspire Global Procidic 2 Bactericide and Fungicide
SKU 2067212
SRP⠀ 137.41
− 22.50
114.91
Doktor Doom TR Insecticide & Miticide Pyrethrin Total Release Aerosol Fogger Can
Doktor Doom TR Insecticide & Miticide Pyrethrin Total Release Aerosol Fogger Can
Doktor Doom TR Insecticide & Miticide Pyrethrin Total Release Aerosol Fogger Can
SKU 2074412
SRP⠀ 28.44
− 4.98
23.46
﹟fave
Bluelab Calibration Solution pH 4
Bluelab Calibration Solution pH 4
Bluelab Calibration Solution pH 4
SKU 2035112
SRP⠀ 18.39
− 3.59
14.80
﹟organic
Gowan Aza-Direct Insecticide 2.5 gallon 10 liter 1/ each
Gowan Aza-Direct Insecticide 2.5 gallon 10 liter 1/ each
Gowan Aza-Direct Insecticide 2.5 gallon 10 liter 1/ each
SKU 238881
SRP⠀ 1 004.34
− 122.50
881.84
Powered by Lightspeed
Display prices in: USD
bottom of page