As of May 31, 2023, we have updated our Code of Conduct.
12 votes

How much lighting do I need for growing lettuce using indoor hydroponics?

The reason you are not finding the answer you are looking for in regards to the lumen requirements of crops is that lumens is a measurement for humans. It is based on the level of light that we can ...
Fletcher Hillier's user avatar
9 votes
Accepted

What are those hydroponic beads called?

That look like Hydroton, which explained above is expanded clay. It is highly porous and holds moisture very well, and is used in a lot of Deep Water Culture/Aquaponic/Hydroponic applications.
DevOops's user avatar
  • 206
9 votes

What are those hydroponic beads called?

These are called by various names but the one I am familiar with is LECA. It stands for Lightweight Expanded Clay aggregate and is made by this company. Having seen this material used in twenty and ...
kevinskio's user avatar
  • 57.6k
8 votes

Can I tell if a boxed, hydroponic, fly-trap growing kit, made for teenagers, would be reliable?

I would not recommend it, but I think you should ask this question in your siste site: https://parenting.stackexchange.com/. The problem I find with this "gifts": these are very very slow to grow (...
Giacomo Catenazzi's user avatar
7 votes
Accepted

Growing hot peppers indoors on the West Coast

Read all you can about indoor growing & seek out varieties that are know to do well in containers. (Example 1: Datil Pepper) (Example 2: Pineapple Rocoto) (Example 3: Bhut Jolokia / Ghost) The ...
renesis's user avatar
  • 1,760
6 votes

Can hydroponic/aeroponic produce be organic?

This is debatable. So there is no clear answer and lots of opinions. You can theoretically derive hydroponic fertilizer from 'organic' sources and not synthetically produce them (from chemical ...
Eric Deloak's user avatar
  • 1,135
6 votes
Accepted

How much water do these hydroponic office plants need?

Plant number one is a Rhapis excelsa palm, a real beauty.They grow well in bright diffuse light but will tolerate periods of low light. The die back at the ends of the leaves is natural. Just take a ...
kevinskio's user avatar
  • 57.6k
6 votes

Why are my vegetable plants in my hydroponic system dying?

Any moist material placed against the stem of a plant can cause stem rot which is why you are not supposed to put material against a transplant higher then the original soil interface with tomatoes ...
Graham Chiu's user avatar
5 votes

What is the ideal Daylight Time for Herbs, Tomatoes and Peppers?

It depends on which plants and which part of their cycle you are trying to emulate. Tomatoes as a tropical perennial will always benefit from 12 or more hours of direct sunlight every day. However ...
Escoce's user avatar
  • 6,336
5 votes

Starting over pepper plants

What are you doing for pollination? They do self pollinate, but without wind nor insects it can be hard. I only overwinter my habanero plants indoors, but the best I've got from fully indoor flowers ...
gengren's user avatar
  • 126
5 votes
Accepted

Are CFL and Energy Saver bulbs same and used for growing plants?

CFL is compact fluorescent lighting. It's basically a low energy using spiraly bulb. You can grow with them and you're correct that you would probably want at least one each of the 2700k and 6500k ...
Dalton's user avatar
  • 5,072
5 votes

Importance of night in hydroponics?

It depends on what kind of plants you have, but most plants are used to having a night time period. Exceptions are some plants growing in arctic regions. I think for cultivation under lamps, mostly ...
benn's user avatar
  • 13k
4 votes
Accepted

What is the ideal temperature for growth within an Aeroponic Garden?

A terrestrial plant maintains a greater range of temperatures in the parts above ground (canopy), and usually lower and more stable temperatures below ground. The same applies for aeroponics. The ...
Graham Chiu's user avatar
4 votes
Accepted

Hydroponics Nutrients and Fertilizers, are they same?

Hydroponic solutions can be made up yourself and you need to supply npk as well as the 10 trace elements. However, the components required for these recipes usually come in 25-50 pound bags. So, for ...
Graham Chiu's user avatar
4 votes

Starting over pepper plants

As you described it seems to be a pollination problem. In indoor gardening, you can use a q-tip to manually fecond the flowers or simply shake your plants and rub them with each other. Take a look at ...
imrok's user avatar
  • 531
4 votes

Why aren't my hydroponic plants growing well?

In a hydroponic grow system you have to supply all the micronutrients that the plant would normally extract from the soil. Looks like you're only providing magnesium, and nothing else for the roots. ...
Graham Chiu's user avatar
4 votes
Accepted

Can I tell if a boxed, hydroponic, fly-trap growing kit, made for teenagers, would be reliable?

I don't disagree with Giacomo's post, except for the quantity of bugs they eat, but I can tell you a little more about this subject. Carnivorous plants are a lot of fun and can be easy to keep. I ...
Dalton's user avatar
  • 5,072
4 votes

How to increase or decrease the ph level of a hydroponic solution with natural household items?

Whether or not your household has any right now, probably the least likely to kill your plants common substance to raise pH would be ground limestone. In some systems limestone or marble chips are ...
Ecnerwal's user avatar
  • 21.2k
4 votes

Why do plants need water?

You're definitely missing something; your information is incomplete. You've mentioned evaporation (from the soil, presumably) but not transpiration. Plants need water, it's the stuff of life - they ...
Bamboo's user avatar
  • 131k
4 votes
Accepted

is perlite dust toxic or is it safe for humans to breath

According to the US National Institutes of Health (not politicized yet, thankfully), perlite dust is NOT hazardous. Here is a great source for more information - the relevant information is in the ...
Jurp's user avatar
  • 17.6k
3 votes
Accepted

Hydroponic growing media

I checked with a local hydroponic store and their suggestion was clay pebbles, I washed them before filling the buckets (there was a fine dust on them). It has been couple weeks and the pump is clean. ...
dvdmn's user avatar
  • 203
3 votes

My hydroponic lettuce is mega bitter. Can I fix it?

The bitterness is caused by heat. Lettuce likes cool temps, where they don't often get over 75F, if you don't want them to get bitter. When the heat becomes more consistent, certain chemicals are ...
Bulrush's user avatar
  • 1,726
3 votes

Hydroponic sensors are so expensive?

Without knowing for sure, I see several things You may be shopping "laboratory grade" sensors. Then again, you may need them... An "EC" sensor may require platinum or other exotic/expensive material ...
Ecnerwal's user avatar
  • 21.2k
3 votes
Accepted

Why don't hydroponic systems suffer from constant root rot?

Since you're starting with soiless systems, the time for severe fungal infections takes longer to develop. But they do. And it may be that the seedlings get infected before transplantation into the ...
Graham Chiu's user avatar
3 votes
Accepted

Humidity Drops Fast

So you are saying you have a ventilation system to pull air out of the room...do you have a way for fresh air to be pulled in passively? Fans are critical for all indoor and greenhouse plants. Do ...
stormy's user avatar
  • 40k
3 votes

Why aren't my hydroponic plants growing well?

I haven't done hydroponic gardening (and I don't know a terrible lot about hydroponics specifically), but from my observations of hydroponic fertilizer, it's usually very high in potassium compared to ...
Brōtsyorfuzthrāx's user avatar
3 votes

Important features in an automated grow system

A clean, sterile one use only room for growing anything. The greenhouse environment is more forgiving, the garden can make anyone look successful. Ventilation pumping in and out or a great ...
stormy's user avatar
  • 40k

Only top scored, non community-wiki answers of a minimum length are eligible