I had a thought.... all this dirty water you get from an aquarium water change containing lots of nitrates, isn't this great fertilizer for my house plants if I water them with? And what a way to save water as well. Am I right? And what about those that have salt/brackish water?
Using dirty aquarium water on house plants?
Use water from freshwater aquariums to water your plants.
Use water from the salty tanks to kill weeds!
Your local home improvement will have small bottles of fish waste labeled "Fish Emulsion". It is one of the best stuff for plants and a small bottle goes between 10-20 bucks!
Reply:Yes, old freshwater tank water should be fine for your plants.
I actually have a big lush green patch on my back lawn where I syphon my tank out on to the lawn. Just need a longer hose so I can water/fertilise the rest now.
A salt or brackish tank will be pretty much fatal to most plants though.
Ian
Reply:yes i use all my tank water on the garden but i dont have salt tanks but would imagine it would kill the plants. di
Reply:Yeah it is good for them all my dirty water from the tank goes on the plants outdoors
Reply:Yes you are right, I wouldn't use any salty water though.
Reply:Works well on my roses - I have been doing it for a few years
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