I have one of these in my 10 gallon tank and all I can say is that it works really well. This ensures a nice, even bubble wall. The suction cups stay attached to the wall (I've had issues with cheap aquarium products and suction cups in the past). I change my air manifold every 4-6 months. I first tried this one a few months ago because it's green and it suits my plants better than the previous blue diffusers I've used before. I ordered a second one today to replace my first one. There really isn't much to say. This is a diffuser. It works well. Green is good, especially for aquariums with plants. It is so easy! When I got the first one, the product literature (not sure if this qualifies as a manual) said that when the product starts to give a weaker wall with smaller bubbles, you can take a needle or button and actually poke holes in it Diffuser to make it work again (creating new airways). I've tried this with moderate success. Seems like a nice feature. However, I don't think it has extended the life of the product like I was hoping.
KEDSUM Battery Aquarium Air Pump: Ultra-Quiet Rechargeable Fish Aerator with Dual Outlets - Ideal for Fish Tanks, Outdoor Fishing, Fish Transportation, and Power Outages
35 Review
Sink filter Prio New Water Start Osmos OU380 white
79 Review
Aquael Fan Filter Mikro Plus
35 Review
KEDSUM Quiet Rechargeable Battery-Operated Aquarium Air Pump With Dual Outlets - Perfect For Fish Tank, Outdoor Fishing, Transport, And Emergencies
28 Review
๐งฒ Efficient Magnetic Fish Tank Cleaner: KEDSUM Floating Clean Brush with Handle Design
34 Review
Steam cleaner Deerma Deerma DEM-ZQ610 EU, white/red
68 Review
Greenpro Micranthemum Monte Carlo: Live Large Pearl Grass Aquatic Plant In Tissue Culture Cup For Freshwater Fish Tanks And Aquariums
49 Review
Efficient 2-In-1 Magnetic Fish Tank Cleaner With Non-Slip Design And Scratch-Free Blades
37 Review