How tap water affects your hydroponic nutrient formulation
Tap water is often the most reliable source of water for hydroponic growers. However, especially in the North America and Europe, tap water can contain a significant amount of dissolved…
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How much Phosphorous are you adding to your solution to adjust pH?
Phosphoric acid is one of the most commonly used pH down agents in hydroponics. This is because phosphoric acid is available in high purity, is easier to handle and has…
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How to deal with nutrient solution waste in hydroponics
Hydroponic nutrients contain a wide array of chemicals that are fundamentally contaminating to water sources and can heavily contribute to eutrophication. Both run-to-waste and recirculating systems eventually generate significant amounts…
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Factors limiting the life of a recirculating hydroponic nutrient solution
Hydroponic systems that use recirculating nutrient solutions can be more efficient in terms of water and nutrient usage. However, despite how good the management of a solution is, there are…
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Preparing your own low cost A+B generic hydroponic nutrients at a small scale from raw salts
In a recent post about the cost of custom hydroponic nutrients, I talked about the cost of preparing nutrients equivalent to those of a commonly used brand (general hydroponics Flora…
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How to correctly prepare dilutions from concentrated solutions in hydroponics
Accurately preparing dilutions of concentrated nutrients is no trivial task. For example, if you want to prepare a 10 gallon solution at “2mL per gallon” of a hydroponic nutrient, ensuring…
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The cost of reproducing the label of a commercial hydroponic fertilizer with raw salts at a small scale
Creating your own hydroponic nutrients can dramatically change the amount of money you spend in fertilizers per crop cycle. Commercial pre-blended hydroponics nutrients carry significantly high margins, so making your…
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Starting a youtube channel to teach chemistry related hydroponic skills
The ScienceInHydroponics blog has been a great place to share my knowledge and experience in hydroponics during the last 11 years. However, the world has changed a lot since then…
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Hardware for building a wifi-connected DIY monitoring/control system for a hydroponic crop
Success in hydroponic systems can be increased by having adequate control over a wide array of different variables. Having automated monitoring and control will mean faster reaction times and provide…
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Nutrient problems and foliar sprays
Nutrient related issues are common in hydroponic crops. They can happen due to a large variety of issues, including pH drifting, EC drifting, lack of proper nutrient ratios, humidity issues,…
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