HYDROPONIC SYSTEMS
The Kratky Method: Passive Hydroponics With No Pump and No Power
The Kratky method is passive hydroponics: a plant sits in a net pot above a sealed reservoir of nutrient solution,…
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HYDROPONIC SYSTEMS
HYDROPONIC SYSTEMS
Deep Water Culture (DWC) Hydroponics: The Complete Bucket-and-Bubbles Guide
Deep water culture suspends a plant’s roots directly in oxygenated, nutrient-rich water, with an air pump and air stone keeping…
RESERVOIR & WATER MANAGEMENT
Hydroponic Reservoir Setup: How to Build and Plumb Your Tank
The fastest way to understand a hydroponic reservoir is to build one. A deep-water-culture tote — a tank, a lid…
RESERVOIR & WATER MANAGEMENT
RO vs Tap Water for Hydroponic Reservoirs: Which Should You Use?
“Should I use RO or tap water for hydroponics?” is one of the most over-argued questions in the hobby, and…
RESERVOIR & WATER MANAGEMENT
Hydroponic Water Change Schedule: How Often to Dump and Refill
“How often should I change my reservoir water?” is one of those questions where the honest answer is “it depends”…
RESERVOIR & WATER MANAGEMENT
How to Clean and Sterilize a Hydroponic Reservoir
Run a finger around the inside of a reservoir that has not been cleaned in a few weeks and you…
RESERVOIR & WATER MANAGEMENT
Topping Off a Hydroponic Reservoir: Managing EC Drift the Right Way
This is the failure mode that catches careful growers, not careless ones. You mix a perfect reservoir, the EC reads…
RESERVOIR & WATER MANAGEMENT
Hydroponic Water Temperature: Chillers, Heaters and the Safe Range
If I could get a new hydroponic grower to obsess over one number, it would not be EC and it…
RESERVOIR & WATER MANAGEMENT
Dissolved Oxygen in Hydroponics: Why Roots Need It and How to Raise It
Here is something that surprises beginners: plant roots breathe. They take in oxygen to respire, just like the rest of…
RESERVOIR & WATER MANAGEMENT
Hydroponic Reservoir Size: How Big Should It Be?
The most common question I get from new hydro growers is not about nutrients or lights — it is “how…
RESERVOIR & WATER MANAGEMENT
Hydroponic Reservoir Guide: Sizing, Temperature, Oxygen and Maintenance
The reservoir is the part of a hydroponic system every beginner ignores and every experienced grower obsesses over. It is…
PEST & DISEASE MANAGEMENT
Spider Mites in Hydroponics: How to Spot and Kill Them
Spider mites in hydroponics are tiny sap-sucking pests that you usually find too late — the first sign is fine…