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The Atlantic sea kelp is cold processed to retain all of the vital minerals and nutrients and ensures there is no micro nutrient deficiency when sprayed
and professional ventilation setups
Keep adding small quantities of Reactor until a green or yellow colour change
Made from natural ingredients
Garland - Soil Themometer Disease Control The Atlantic sea kelp isThe Soil Thermometer from Garland is ideal for helping keep soil at the optimal temperature for growing seeds and plants. The thermometer is also extremely helpful for use when growing mushrooms. Material: Plastic Mercury Free: Yes Reading: Celsius Fahrenheit