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Blog Post Here: https://university.upstartfarmers.com/blog/all-you-need-to-know-to-choose-a-hydroponic-design
Whether you’re totally new or just adding on to an existing system, you need overview of all your choices. (Take an in-depth course on grow methods: https://university.upstartfarmers.com/courses/1030-choosing-your-production-model)
But first, let’s review the basics of hydroponic design.
There are 3 basic parts to almost every hydroponic system: a sump tank (sometimes split into one sump tank and one mixing tank), a growing container, and a pump.
The Kratky method is one exception to this – it keeps the solution in the growing container with no pump and uses a measured amount of formulated solution.
There are 5 main types of systems that use and arrange these parts in different ways:
DWC – Deep water culture. DWC systems use a floating raft to hold plants over a solution tank. This is great for tropical regions because of the great temperature stability in the root zone but can have problems with dissolved oxygen levels.
NFT – Nutrient film technique. NFT systems use a series of shallow troughs and are very common method in greenhouses on a single horizontal plane. It’s cheap to build up front but not very space efficient.
ZipGrow – ZipGrow and other vertical tower systems use vertical planes to grow in 3-dimensional space rather than a single horizontal plane. These types of systems are more space efficient with lower operating costs, though upfront costs tend to be higher.
Aeroponic – Aeroponic systems grow plants primarily in air, using a fine mist to deliver solution to plant roots. Aeroponics are cool and can be cost effective, but are a nightmare to manage.
Media-based – Media based systems are any system that uses an aggregate or fiber media in a container. These could be media beds and Bato buckets are the two most common methods here. These are great techniques for large statured crops that need a lot of root support, but aren’t always space efficient.
The four main factors to choose a technique are:
00:26 Primary parts of a hydroponic system
02:41 Types of hydroponic systems
03:57 DWC – Deep water culture
04:27 NFT – Nutrient film technique
05:09 Vertical production
06:26 Media based technique
07:15 Getting started/Picking your system
09:04 “Can I do this myself?”
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http://minwax.tv/PetDamage DIY expert Bruce Johnson shows you some simple tips and techniques to fix wood furniture that has been damaged by pets. Fixing scratched, chewed up, and clawed wood is easy with Minwax products.
For cat scratches, Minwax Stain Markers can be a simple fix without having to open a full can of stain. Simply pick the marker with a matching stain color and apply to the scratch. Then wipe off any excess stain with a paper towel or rag.
If your dog has chewed up your furniture, you’ll be left with some pretty big indentations in your wood. Fill the holes with Minwax Wood Putty, which comes pre-colored to match your stain, and then wipe of the excess putty.
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