What is a grow shop and what does it sell?
A grow shop is a specialist store for indoor gardening, hydroponics, greenhouses, and plant care. GrowShop lists businesses for lawful gardening use only.
Updated: August 3, 2026Read guideSource-based knowledge centre
Hydroponics and indoor gardening guide
Source-based guides for hydroponics, indoor gardening, grow lighting, pH/EC, substrates, and equipment selection.
How to choose a hydroponic store
Price is only one factor. System compatibility, water measurement, spare parts, manufacturer documentation, and after-sales support should be assessed together.
Updated: August 3, 2026Read guideHow to compare hydroponic system types
Choose a hydroponic system by how roots receive water, oxygen, and nutrients, as well as by maintenance frequency and failure tolerance.
Updated: August 3, 2026Read guideWhat are grow LEDs, PPFD, and DLI?
Watts describe electricity use, not the light a plant receives. Distribution, distance, photoperiod, and growing area must be considered together.
Updated: August 3, 2026Read guideWhat is the difference between pH and EC meters?
pH describes acidity or alkalinity; EC provides an indirect indication of conductivity and total dissolved ions. One does not replace the other.
Updated: August 3, 2026Read guideCoco, perlite, and other soilless growing media
Growing media support roots and balance water and air. The best choice depends on the plant, irrigation method, water quality, and reuse plan.
Updated: August 3, 2026Read guideVentilation and humidity control for indoor gardening
Ventilation is more than fan capacity. Room volume, heat load, air paths, humidity, and electrical safety must be assessed together.
Updated: August 3, 2026Read guideLawful and safe use of grow-shop equipment
Grow-shop equipment can support vegetables, seedlings, ornamentals, microgreens, and other lawful gardening. GrowShop does not publish content that encourages illegal production or use.
Updated: August 3, 2026Read guide