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• Your window to efficient urban agriculture, indoor growing, and progressive gardening.
• This bi-monthly publication is distributed through hydroponic shops in the USA and Canada.
• The magazine offers expert advice for improving both indoor and outdoor gardening.
• Each issue features top information on technology, techniques, and plant nature.
• It serves as a resource to enhance garden production and enjoyment.

Issue 51 of Garden Culture Magazine covers all the ways indoor growers use technology to perfect their environment.

• Adam Clarke covers VPD in “Psychometrics, Vapor Pressure and the Seemingly Never-Ending Chase for your Setpoint”.
• Rich Hamilton discusses optimal temperatures for plant stages in “The Importance of Temperature Control”.
• Everest Fernandez covers the transition from HPS to LEDs and their impact on garden needs in “LED to Stress”.
• Anne Gibson explores shade cloth benefits in “The Benefits of Using Shade Cloth on Yield and Quality of Vegetable Harvests”.
• Marci Babineau details her passive solar geothermal greenhouse experience in “Passive Solar Geothermal Greenhouse at the 45th Parallel”.

• Raises nutrient solution pH for optimal plant growth.
• Helps growers maintain pH levels between 5.5 and 6.5, ideal for most plants.
• Easy-to-use: add drops as needed after nutrient application.
• Made with high-quality ingredients meeting safety standards.
• Potent and effective in small doses.

• Raises nutrient solution pH for optimal plant growth.
• Helps growers maintain pH levels between 5.5 and 6.5, ideal for most plants.
• Easy-to-use: add drops as needed after nutrient application.
• Made with high-quality ingredients meeting safety standards.
• Potent and effective in small doses.
• 1 liter (1 quart) bottle.

• Raises nutrient solution pH for optimal plant growth.
• Helps growers maintain pH levels between 5.5 and 6.5, ideal for most plants.
• Easy-to-use: add drops as needed after nutrient application.
• Made with high-quality ingredients meeting safety standards.
• Potent and effective in small doses.
• 4 liter (1 gallon) bottle.

• Lowers nutrient solution pH for optimal plant growth.
• Helps growers maintain pH levels between 5.5 and 6.5, ideal for most plants.
• Easy-to-use: add drops as needed after nutrient application.
• Made with high-quality ingredients meeting safety standards.
• Potent and effective in small doses.

• Lowers nutrient solution pH for optimal plant growth.
• Helps growers maintain pH levels between 5.5 and 6.5, ideal for most plants.
• Easy-to-use: add drops as needed after nutrient application.
• Made with high-quality ingredients meeting safety standards.
• Potent and effective in small doses.
• 1 liter (1 quart) bottle.

• Lowers nutrient solution pH for optimal plant growth.
• Helps growers maintain pH levels between 5.5 and 6.5, ideal for most plants.
• Easy-to-use: add drops as needed after nutrient application.
• Made with high-quality ingredients meeting safety standards.
• Potent and effective in small doses.
• 4 liter (1 gallon) bottle.

• A must-have accessory for any grower's toolkit.
• Convenient, precise, and stylish folding utility blade.
• Features a protective handle for safe, easy use.
• Disposable blade for hassle-free cutting tasks.
• Available in a variety of vibrant colors.

• A must-have accessory for any grower's toolkit.
• Convenient, precise, and stylish folding utility blade.
• Features a protective handle for safe, easy use.
• Disposable blade for hassle-free cutting tasks.
• Color: Black.

• A must-have accessory for any grower's toolkit.
• Convenient, precise, and stylish folding utility blade.
• Features a protective handle for safe, easy use.
• Disposable blade for hassle-free cutting tasks.
• Color: Green.

• A must-have accessory for any grower's toolkit.
• Convenient, precise, and stylish folding utility blade.
• Features a protective handle for safe, easy use.
• Disposable blade for hassle-free cutting tasks.
• Color: Orange.

• A must-have accessory for any grower's toolkit.
• Convenient, precise, and stylish folding utility blade.
• Features a protective handle for safe, easy use.
• Disposable blade for hassle-free cutting tasks.
• Color: Red.

• Cutting-edge, innovative folding knife.
• Designed for convenience, durability, and versatility.
• Perfect for gardening, hunting, fishing, camping, and hiking.
• Use it for trimming, cutting, and pruning in the garden.
• Comes with two additional stainless steel #60 SS blades and a holster.
• Blade length: 2.75 in (69.85 mm).
• Colors: Black, Orange, Green.

• Cutting-edge, innovative folding knife.
• Designed for convenience, durability, and versatility.
• Perfect for gardening, hunting, fishing, camping, and hiking.
• Use it for trimming, cutting, and pruning in the garden.
• Comes with two additional stainless steel #60 SS blades and a holster.
• Blade length: 2.75 in (69.85 mm).
• Color: Orange.

• Cutting-edge, innovative folding knife.
• Designed for convenience, durability, and versatility.
• Perfect for gardening, hunting, fishing, camping, and hiking.
• Use it for trimming, cutting, and pruning in the garden.
• Comes with two additional stainless steel #60 SS blades and a holster.
• Blade length: 2.75 in (69.85 mm).
• Color: Black.

• Cutting-edge, innovative folding knife.
• Designed for convenience, durability, and versatility.
• Perfect for gardening, hunting, fishing, camping, and hiking.
• Use it for trimming, cutting, and pruning in the garden.
• Comes with two additional stainless steel #60 SS blades and a holster.
• Blade length: 2.75 in (69.85 mm).
• Color: Green.

• A 15-foot (4.5-meter) roll of pH testing (litmus) paper.
• Comes in a single roll dispenser with a color chart.
• Displays distinct color changes for each half pH unit between 5.5 to 8.0.

• Leaf trimmer for removing excess leaves and twigs.
• Can prepare plants for essential oils or mix flower petals for potpourris.
• Features a precision sharp blade for clean, quality cuts and minimal plant damage.
• Made with medical grade stainless steel and food grade rubber for durability.
• Simple design ensures effectiveness and longevity.

• Indoor/outdoor thermo-hygrometers.
• Separate display for humidity and temperature.
• Memory for the highest and lowest temperature and humidity.
• Designed to stand or to be hung.
• Batteries included.

• Indoor/outdoor thermo-hygrometer with clock.
• Separate display for time, humidity and temperature.
• Memory for the highest and lowest temperature and humidity.
• Designed to stand or to be hung.
• Indoor/outdoor temperature range: -50°C (-58°F) - +70°C (+158°F).
• Humidity measure range: 20% RH - 90% RH.
• Battery included.