hydroponic-greens

Hydroponic

Hydroponic Swiss Chard: Complete Grow Guide
ByFaisal Habib

Home > Hydroponic Systems > Hydroponic Swiss Chard: Complete Grow Guide Last Updated: July 2026 | Reviewed for Chenopodiaceae mineral assimilation, betalain pigment synthesis, and indoor EC targets Quick Answer: Swiss chard (*Beta vulgaris* subsp. *vulgaris*) is a highly productive, heat-tolerant leafy green that yields continuous harvests in 28 to 35 days from seed. Grow Swiss chard in passive Kratky jars or active Deep Water Culture (DWC) maintaining a reservoir pH of 6.0 to 6.5 and an EC of 1.8 to 2.2 mS/cm (900–1100 PPM). Unlike lettuce, chard requires higher magnesium and iron levels to support intense stalk pigmentation and thick leaf blades. Calculate exact nutrient dosages using our EC…

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Hydroponic

How to Grow Arugula Hydroponically (From Seed to Harvest)
ByFaisal Habib

Home > Hydroponic Systems > How to Grow Arugula Hydroponically (From Seed to Harvest) Last Updated: July 2026 | Reviewed for Brassicaceae glucosinolate synthesis, bolting physiology, and hydroponic EC precision Quick Answer: Arugula (rocket) is a fast-growing cold-hardy leafy green ready for first harvest in 21 to 28 days from seed. Grow arugula in DWC, NFT, or Kratky jars maintaining a reservoir pH of 5.8 to 6.3 and an EC of 1.2 to 1.6 mS/cm (600–800 PPM). Keep water temperatures strictly between 60°F and 65°F (15.5°C–18°C) to prevent premature bolting and extreme peppery bitterness. Calculate precise mineral targets using our EC to PPM Calculator. Difficulty: Beginner DIY Seed-to-Harvest Timeline: 21…

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Gardening Guides

How to Grow Spinach Hydroponically at Home: A Beginner’s Guide
ByFaisal Habib

Home > Hydroponic Systems > How to Grow Spinach Hydroponically at Home (Complete Guide) Last Updated: July 2026 | Reviewed for horticultural and germination accuracy Quick Answer: To grow hydroponic spinach successfully indoors, overcome its natural low germination rate by cold-stratifying seeds in a refrigerator (40°F/4°C) between moist paper towels for 5 to 7 days before sowing. Grow in a Nutrient Film Technique (NFT) or Deep Water Culture (DWC) system with a strict water temperature between 62°F and 66°F (16°C–18°C), pH between 5.8 and 6.2, and nutrient EC of 1.4 to 1.8 mS/cm. Keep daily LED light duration strictly under 13 hours per day to prevent premature bolting and bitterness….

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Hydroponic

Hydroponic Lettuce: The Complete Guide to Growing Fast, Fresh lettuce
ByFaisal Habib

Menu Menu Home Gardening Tools & Calculators pH Calculator for Hydroponics | Gardening Tools Growth Rate Tracker Seed Germination Timer Plant Spacing

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