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Yes the purpose for the UV would be to clean the water. (bacterial bloom)
Yes the purpose for the UV would be to clean the water. (bacterial bloom)
The GKM will work great for that purpose.
Do you think 15 watts is enough for a 75g tank?This unit works great for me, it is quite small actually and having known data is very useful in determining flow rate. All you would need is to have a small pump in your sump. Not too pricey either, and takes up very little room. You could also use the one that hangs right on the back of your sump or tank.
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I have the 9 watt version and it works great on my total volume system of about 45 gallons. So yeah, the 15 watt version should do it.Do you think 15 watts is enough for a 75g tank?
Well, Thank You all for your input. I have decided on keeping the GKM. Went out today and bought a new bulb. This seems like the simplest way to go and it's worked well for me for a year. Hopefully, I'll have enough room in my sump for the Clarisea.I have the 9 watt version and it works great on my total volume system of about 45 gallons. So yeah, the 15 watt version should do it.

