Hydroponics Pests & Diseases You May Find in Your Garden

If you’re super into gardening, you’re probably aware of what hydroponics gardening is. In fact, it could be your form of gardening. As you know, hydroponics gardening uses no soil, but instead, you grow plants in a solution of water and different nutrients.

With this form of gardening, you’ll get to grow plants and vegetables faster all-year-round. Besides that, growing plants through hydroponics is hugely beneficial, as it yields more, requires less space and you conserve more soil and water. 

However, with any form of gardening, you’ll always have to deal with pesky pests and diseases. Some people would try to get rid of these problems by adding plant nutrient enhancers and practising techniques that will tackle every type of problem and pests.

If you want to learn more, keep reading. Below is a list of common hydroponic pests and diseases that you may find in your garden. Let’s start!

What are the common hydroponic pests?

Before you can address your pest issues, you need to be aware of who your enemies are to win this war. 

1. Spider Mites

Probably one the most common indoor garden pests are these tiny little buggers that are less than 1mm long. To spot an infestation, look for webs and spider mite blood. Do this by taking tissue and wipe the underside of your leaves gently. When you see streaks of spider mite blood, you’ve got yourself a problem. 

2. Thrips

Another tiny pest that you should watch out for are thrips, but these bugs are much easier to spot. All you need to do is to look for metallic black specks on top of your leaves. You’ll often find them in brown and dry spots because these pests suck your leaves dry.

3. Aphids

Aphids, or plant lice, can be green, black or grey and can weaken your plants by sucking the juice and nutrients from your leaves. To spot them, you’ll often find them roaming and gathering around the stems of your plants. 

4. Whiteflies

These pests are 1mm long and small white moths. They’re relatively easy to find but are harder to kill because they tend to fly away and disturb other plants. Just like the other pests, they suck your plants dry, stealing its juices and nutrients. Because of this, it’s important to have plant nutrient enhancers ready to give back the nutrients your plants lost. 

5. Fungus Gnats

An adult fungus gnats’ larvae are quite dangerous since it feeds on the roots, which slows plant growth and encourages bacterial infection and death. 

What are the different hydroponic diseases?

1. Powdery Mildew

If you find white powder on your leaves and stems, you might be dealing with powdery mildew. And when left untreated, it can stop your plant’s growth, increase leaf drop and develop yellowing of plant tissue.

2. Downy Mildew

This type of mildew can be found on the underside of your leaves and doesn’t look like powdery mildew at all. Although they look different, downy mildew also contributes to the same adverse effects on your plants.

3. Grey Mold

Also known as ash mould and ghost spot, grey mould will show up on your leaves as spotty and fuzzy grey abrasions, which deteriorates your plants and turns them brown and mushy.

4. Iron Deficiency

Plants that lack iron will also lack chlorophyll, which then turns your leaves yellow. Some people think it could be another type of disease, but sometimes, your plant may simply be lacking iron. 


Now that you’re aware of the different pests and diseases you should look out for in your hydroponics garden, you’ll be able to develop routines to help prevent garden deteriorations and problems. By remembering this information and using the best plant nutrient enhancer, you’ll leave your garden healthy, happy and full of life!

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