This is an excellent product that is designed for 15 gallon aquarium or less. Would not recommend for a 20 gallon tank. Remember the description mentions a 20 g and this is the size of co 2 cartridge not gallons.
Verified purchase: Yes | Condition: New
I've been using the CO2 system for about a week. No huge difference in the plants yet but I do see improved plant growth. Valve is a tad sensitive.
Verified purchase: Yes | Condition: New
The Fluval works well and keeps my plants green. However the plastic is cheap and breaks easily.
Verified purchase: Yes | Condition: New
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