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 | Bluelab Probe Care Kit pH & ConductivityEverything you need to clean, hydrate and calibrate pH probes as well as clean and test conductivity (ppm/EC) probes. The instrument is only as accurate as the probe is clean! Probe cleaning is one of the most important parts of owning and operating any...Only $19.67 |
 | Kill A Watt MeterMeasures electrical consumption accurately within 0.2% and is ETL approved. Features large LCD screen which displays 8 critical units of measurements. Enables you to cost forecast.Only $31.20 |
 | MagiCal 2 - 0 - 0 -- 1 LMagiCal is a highly enriched formulated blend of magnesium and calcium that promotes vigorous and healthy plant growth for both soil and soilless gardens. Incorporated in your regular feeding program, MagiCal increases flower bud absorption and improves...Only $16.07 |
 | MagiCal 2 - 0 - 0 -- 4 LMagiCal is a highly enriched formulated blend of magnesium and calcium that promotes vigorous and healthy plant growth for both soil and soilless gardens. Incorporated in your regular feeding program, MagiCal increases flower bud absorption and improves...Only $54.53 |
 | MagiCal 2 - 0 - 0 -- 10 LMagiCal is a highly enriched formulated blend of magnesium and calcium that promotes vigorous and healthy plant growth for both soil and soilless gardens. Incorporated in your regular feeding program, MagiCal increases flower bud absorption and improves...Only $136.37 |
 | MagiCal 2 - 0 - 0 -- 20 LMagiCal is a highly enriched formulated blend of magnesium and calcium that promotes vigorous and healthy plant growth for both soil and soilless gardens. Incorporated in your regular feeding program, MagiCal increases flower bud absorption and improves...Only $213.23 |
 | Technaflora pH Up -- 1 LTechnafloras pH Up is used to increase the acidity(pH) of your plants environment. As you know, your plants will do best when they are in a medium with the proper pH range. Easy to use, this potassium hydroxide solution will solve your problem. Hint,...Only $9.38 |
 | Technaflora pH Up -- 4 LTechnafloras pH Up is used to increase the acidity(pH) of your plants environment. As you know, your plants will do best when they are in a medium with the proper pH range. Easy to use, this potassium hydroxide solution will solve your problem. Hint,...Only $20.67 |
 | Technaflora pH Down -- 1 LTechnafloras pH Down is used to reduce the alkalinity(pH) of your plants environment. As you know, your plants will do best when they are in a medium with the proper pH range. Easy to use, this nitric acid solution will solve your problem. Just a note,...Only $9.38 |