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So I had the opportunity Friday to setup some new 30cm cubes, which will be used for guppies (maybe shrimp later on!) I then decided it would be great to run a side by side comparison of the lights we sell online. All tanks have same heaters, filters and substrate (shirakura red bee sand). Left to Right: Aqualighter Nano Aqualighter Pico Up Aqua Y series 18cm ATLEDTiS E6 Left to Right: Flexi Mini Aqualighter Nano Up Aqua Y series 18cm ATLEDTiS E6 Left to Right: Flexi Mini Up Aqua ProZ 30cm Up Aqua Y series 18cm Up Aqua Y seties 25cm Left to Right: Flexi Mini Up Aqua ProZ 30cm Aqualighter Nano ATLEDTiS E6 Very surprised by the blue content in the Y series lights, though these still work well wih mosses and low light plants. Really Pleased with the ATLEDTiS E6 as it probably hd the most natural colour. I knew the Flexi minis were bright, and this is the original version, but when directly compared it outshines all. The ProZ has a nice even white colour to it as expected. Not a very scientific study, but amazing to see the side by side comparison. Hope it helps with any future plans for smaller tank setups. Will definitely give me a better base for recommendations in the future. Also have planted some tissue culture plants in each tank, again same plants across all tanks, so will be fun to watch the growth rates of each. As all other factors are the same, light will be the ultimate factor to growth.

My shrimp like black worms more than blood worm or tubifex, but the annoying thing is that the dried worms float. I have recently bought Australian Black worm Sinking Pellets. I use this as a meaty protein supplement and have rated it as such. It is not a complete holistic shrimp food and it isn't marketed as such either. Highlights: sinks immediately relatively unadulterated product shrimp love them and feed on it immediately ( I am assuming that they love the taste as they eat at it for a while and they do not lose interest or toss it away). Shrimp taste- test panel: Tiger, CRS, TB, Natives, various Neos. the pellets are the perfect size for shrimp: a young adult shrimp is capable of holding a pellet. Low wastage. it is extremely affordable I cannot fault this product at all. Rating as a protein/meaty supplement: ?????/5 Shrimp Tails

This is a review for the Eheim Air Diffuser that connects to the air hose. Eheim also have one that connects to your canister outflow. I bought 6 of these to get more air into my water. They are sold as an air diffuser, with a good comparison video to a ceramic air stone on Youtube. I have these in 4 tanks from 50 litre to 240 litre, connected to different output air pumps. I have had them for approx. 2 months. Price: $12-$15 each in Australia The pro's: Comes with a suction cup to attach to the glass, looks tidy, very attractive finishing compared to a ceramic air stone. You can vary the size of the bubbles by adjusting the top body of the sphere The Con's: To get more air diffusion, you need smaller bubbles under pressure that travel slower to the water surface than large air bubbles. This is the concept behind buying this air diffuser. This is possible, but by setting the diffuser to such a fine setting, there is a very high pitched noise coming from it due to the pressure going through the diffuser on such a fine setting. The frequency of the high pitched noise does lower by letting off some pressure by either adjusting the diffuser itself to increase bubble size, or by dialling down the airflow from your air pump. This high pitched noise only disappears when the bubbles are the size equivalent to that of a regular air stone. The noise at the finer settings is loud enough to be annoying, and I cannot imagine that shrimp and fish want to be exposed to that noise pollution. I have tanks still running at this noise-level: it does not go away if you do not increase the bubble size. This Eheim Air diffuser gets ??? / 5 Shrimp tails. It is an attractive average-functioning airstone if that is what you are looking for in terms of regular bubble size. As a fine air diffuser, due to the high level of high-pitched noise, I would not recommend it at all. Figure 1 shows bubbles at a lower frequency high-pitch level that is annoying. Figure 2 shows the very fine diffused bubbles that one expects from a diffuser, but with a noise level that will drive you nuts if you are next to the tank and who knows what stress that causes the shrimp and fish.