MaxFlow 211 GPH Submersible Aquarium Power Head – High-Performance Water Pump – Quiet & Efficient – Ideal for Freshwater & Saltwater Aquariums

Bought this unit to use as a wave maker in my 75 gallon tank. It is a perfect size, not intrusive and has great flow. I added a sleeve on the intake to protect the smaller fish. works great. I highly recommend this product.

This little pump arrived on time and in great condition. It is super quiet and powerful. If I couldn't see the water rippling at the surface I wouldn't even know it was running. I will definitely buy again when I am in the market for one.

Came quick and was priced right. I needed a power head for my 10g tank. The smallest model pushed a lot of water for the tank. I added a small piece of sponge filter in the outlet nozzle and used a screw to hold it in. Worked perfectly, is quiet and now this has the right flow for my planted tank.

Perfect little power head. Great for keeping the water moving. I added some foam to one and got some extra filtration too

Tried the 343gph model to replace a loud Marineland Maxi-Jet 1200 a hydro-sponge. Despite claiming a higher flow rating (maxi jet 1200 is rated at 295gph), the flow isn't even close. I'd have to guess maybe 250gph at most. It is quieter though... not Eheim or Fluval quiet, but much quieter than the MJ1200.

Very powerful. The model I got had the air nozzle off to the side. I have read reviews that people received a different model from what was shown and that may be the case for me as well. I'm not mad tho, the flow rate is absolutely brutal. I thought this would work for my 75 gallon heavily planted (sand) aquarium for co2 dispersion but it's just too much flow. I'm looking at options of ways to diffuse the flow but I don't think wrapping a sponge would help much unless it was half way seeded with bacteria. I will stick with the brand tho and go for one with around 200 gph. My white clouds absolutely loved the flow but my cardinals and rummy nose stayed at one side of the tank. It did not matter what location I put this powerhead it was just too strong for my 75. I would recommend this for a 75 Gallon aquarium with rainbows and no plants or a mbuna/africa cichlid aquarium.**Edit. Just want to note that my rummynose tetras have gotten comfortable with the flow. I'm still debating if this is the method I want to disperse my C02 but it's not bad as my initial impressions. I am still worried about my plants not liking the force of the flow but will experiment with diffusers so I can have this going on 24/7. I have resorted to plugging it in and off. Also want to note that my fish go absolutely crazy when I feed them and this powerhead is on in my 75 gallon aquarium. It really gives them a work out and more healthier due to the increased activity.

The media could not be loaded.  This little powerhead works great. It comes with quite a few attachments and options. My favorite attachment hooks onto the end of the outlet nozzle and splits the flow so that it shoots water up and forwards. I'm using it to power a large sponge filter from aquarium coop. It hooks straight onto the sponge filter - with a little force. Very snug fit so it won't fall off. The flow was too strong for my 20L so I used a small intake sponge (also aquarium coop) and a zip tie to diffuse the flow. It seems to be very quiet without the aerator line attached. With the aerator line attached it's a little loud but I don't mind. Definitely worth the price.

Missing part (No.8 Inlet adapter)Missing this part doesn't allow attachment to a filter.

beaucoup d'accesoir qui vient avec très heureux de mon achat

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