I came across this article in today's BBC news issues: http://www.bbc.com/news/science-environment-36956080 It's about the criminal trade in wild...
In another thread I mentioned that I would soon start a new trial in hydroponics and – for everyone’s information and comment – this is what I...
I have been following the story of BREXIT is some detail, because I believe it might have an effect on the Rand exchange rate. The final result of...
[ATTACH] The TDDGT digital geyser timer is distributed by Hellermann Tyton, which has an agent in JHB, CT, DB and PE. It offers: Rated Voltage:...
This is a subject I meant to have raised a while ago. I have always looked with some skepticism at LED lamps with built-in voltage convertors. I...
Date: November 26, 2015 Source: Radboud University, Nijmegen, Nederland Summary: It could never be found until recently, in a fish tank a few...
This is an issue that is important to anyone who operates a low voltage operation such as: caravan owners, coat owners and – with the introduction...
Hi guys, I would like to test a proposal that I want to pursue in more detail. A long time ago I saw a demonstration of the ability of CO2 to...
My wife (Hannie) and I, don’t like it when our plants die. Hannie is however more stoical about it than me. If a pot plant dies, there is no...
"Good bye T5 " at those prices? :eek:
While searching about the term: "PPF" (Photosynthetic Photon Flux) or PAR/m², I found an old note about the scientific use of the word "Flux". To...
Was thinking of doing one more useful DIY project, and with all those blasted load shedding going on these days I thought that building a reliable...
Hi guys, I received a PM on Friday last. I read it quickly to see what it was all about and then logged off. When I went back to read it again,...
I’ve been looking for a simple indication that will give me a light source potential to support plant growth. I know that RED (600-700nm) and...
A few month ago I started with 12 Congo Tetras (Phenacogrammus interruptus). They formed a beautiful school of fish, swimming up and down in...
Hi Guys, What is the minimum light level in PAR/m² or Lux (or what lights do you have installed above what size of tank) to grow: Riccia Fluitans...
Some of these compounds come from decaying/rotting plant materiel and excess fish food, such as: flakes. They are difficult to detect as they are...
From Wikipedia: Electro-coagulation (EC), is a technique used for wash water treatment, wastewater treatment, industrial processed water, and...
I am setting-up an "African" community tank. I'll consider any African fish from the Congo, or some of the West African rivers,but not from the...
Hi guys, So here I went about bravely carrying the Methylene Blue lance, only to find out that this “drug” (?) has now been classed in section 2,...
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