Need opinion on semi auto water change
Im looking to set one up for my 200 gallon. Ive done it before using a simple float valve/drip system and leave it over night. The water is drained with a small diameter hose and replaced straight from the house plumbing system into my sump via a float valve. But there is no way for me to replace the water taken out with warm water. Therefore, temps drop quite a bit so I don't want to keep doing this.
My new plan is to use my python to directly add the right temperature water into the main tank. My hope is that the overflow will drain the extra water from the main tank into the sump quick enough so that the main tank doesn't overflow. I will have an extra sump pump+float switch (like those found at home depot with built in float switch) in my sump that pumps out the extra water into a drain close by. Alternatively , I can use an existing pond pump that I have and wire in a float switch + relay but that would require more work and I'm not completely sure how to do that yet. I can calculate the amount of time it takes to fill 50% of the tank normally and then account for mixing of old plus new water. This would allow me to set up the hose, set a timer and do other things while semi keeping watch.
In terms of treating the tap water, I usually dose seachem safe directly into the tank while filling and haven't seen any problems. So I would keep doing that.
This wouldn't be completely automatic but would save me the trouble of having to wait for the tank to drain/ fill up and save water because I wouldn't have to keep the tap running to siphon out the water from the main tank using my python.
I hope everything makes sense. Any thoughts ?
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