Ok guys just need an honest answer

I have a 36 gallon tank i do a 5 gallon water change 3 weeks out of the month. One the fourth week i do about a 50 percent water change, is this good or should i do more than 5 gallons on the first 3 weeks. Every week before water change time i use the vac on the gravel as well. Just looking for some guidance as to wether or not im doing ok with my tank.

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Permalink Reply by Millz Fish Tanks on August 10, 2016 at 11:25pm

What kind of tank is it? Planted? Fish Only? FOWLR? Reef? That's usually a good amount of waterchanges to do

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Permalink Reply by Chris on August 11, 2016 at 12:31pm

Its a 36 gallon bow front. It has one live plant. 8 fish, no reef it is fresh water. What is a FOWLR.

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Permalink Reply by Chris on August 11, 2016 at 12:35pm

Ok no live rock either i had to look it up

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Permalink Reply by Ragi Baba on August 22, 2016 at 11:17pm

Depends a lot on your nitrate levels. If you are registering below 20ppm nitrate you are good to go that long between water changes. If your nitrates are higher, then consider doing them more frequently.

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Permalink Reply by Jesse Sampson on October 5, 2016 at 7:09am

5 actual gallons is close to a 17% water change when you factor in gravel etc.. 50 % is overkill but maybe good training if you ever need meds or have other problems. I do a 20% monthly and monitor my ammonia and use TDS as a barometer as when to change it. 30 long, fish only with live plants and Nerites