Physics Experiment Box Junior High School Physics Electrical Experiment Equip

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The filter came today, 10 days after ordering well packed and clean, sealed inside a nice box. The build quality is really excellent, the whole filter is quite large, I think the small size is enough for up to a 60lt aquarium, the sponges do not smell, and they are high-quality with very fine pores, dense and durable. I am still waiting for the air pump to set the filter in action. The parts fitted together snugly and not loosely, so I expect it will work like a charm. I bought this as an additional filter to my external one, to put inside the green containers ceramic granulate that absorbs phosphate or silicates or active carbon or to drop in there some peat pellets for peat filtration. So, with this multifunction filter you can achieve 1. water biomechanical filtration and removal of debris and muck with easily detachable filter sponges 2. Water biochemical treatment and conditioning depending on what you optionally put in the green modules (you can also omit them and operate the filter with just the sponges) and 3. water aeration and agitation of the water surface with a nice optical effect. 5/5 stars, highly recommended. The one-way safety valve, air pump and tube, as well as what you want to put in the filter chambers you need to buy extra.

The order was delivered in 18 days as a registered mail and was well packed in a strong plastic envelope. This is a drinking bottle for small animals, which is available in two different sizes. The small bottle has a capacity of 180ml, I chose the larger version of 350ml. The bottle is made of a strong, transparent plastic and, as is often the case with such bottles, has a drinking tube with an integrated ball, which releases a little water whenever the animal licks it. Two different mounts were included in the scope of delivery. One works with a wire suspension, the other with a demanding wire with small "karabiners" both work great because there is a notch in the bottle. The workmanship is very good and there was no unpleasant smell. Nevertheless, it is advisable to rinse the bottle properly before use. The bottle stays tight and nothing leaks out if you don't press the ball. There are no defects and I am very happy with both the product and the seller. I would be happy to recommend both.

Doesn't match the picture at all! Really full of delusion! A beautiful grass mat is shown, you get a black plastic scrap with a few green threads... I also had to argue with Joom because they didn't want to recognize the complaint!

Very nice cave. It was very safe and well packaged. I just find it a bit small, was expecting it to be a bit larger. But all in all I'm super happy with it. Then it's just for my young fish as a hiding place. I wanted it for my catfish. Unfortunately, it's too small for that.