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Recent content by jayDC_90
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The reason your nitrates read high first was because the nitrites were already converted. Then when your converted nitrates hit a peak your nitrites rose because they couldn't be converted as quickly.
Nitrites are converted into nitrates by your benificial bacteria. So if your nitrates are incredibly high a 25-50% water change is needed. This will drop your nitrate level and help drop your nitrite level quicker because it will be easier for the bacteria to convert the nitrites to nitrates...
I agree with Richard. Another option if you do not want pressurized CO2, you can use DIY CO2. The CO2 is made by you using yeast, water used baking soda I believe. You can use a 2 L bottle's to mix them in after you get the measurements. CO2 hose, and a cheap regulator you could buy off eBay.
Adding a diffuser with oxygen would help your fish not your plants. Plants feed of co2 not oxygen. The need for co2 for your plants depends on a variety of things. Needing co2 mostly depends on your light output you are giving your plants everyday. As in how many lumens or watts per gallon are...
What substrate or substrates are you using? I'm setting up my new 125 this weekend and I will also be running pressurized co2 with plants I have in my 75.
I'm glad to see you accomplished that. I have a 125 dual tank metal stand that I will also be building a box for. I don't want to see all the piping going into my sump down below. Seeing your stand helps give me hope that doing mine will work. At first I was skeptical. Now I have hope