That may be the reason for the .2 rise or you may have done the test at a different time of day. It seems it can fluxuate a tiny bit during different time of the day. I don't really understand the science behind that. I don't think it is anything to be worried about though.I tested my parameters again tonight:
PH 8
Ammonia 0
Nitrite 0
Nitrate 5
Yesterday morning I added a second filter (a Tetra Whisper 10i - for 5-10 gallon aquariums). I took the filter cartridge out and replaced with a filter sponge. My intent is to have this populate with beneficial bacteria so if I need to start up my 5 gallon as a hospital or nursery tank I can move it over. Since I added this my PH is at 8.0 when for almost 3 weeks it’s been a 7.8. I read that more agitation increases PH. Is this the case here?
My tanks have been up and running for a long time now and even I occasionally experience a bit of cloudiness. Mine is normally after a big water change. It is always back to clear the next day.PS I have a bit of cloudiness, nothing terrible. I’m leaving it alone! Just hoping this is normal with my newly cycled tank.
Please refresh my memory. Do you have any live plant in this tank? If you do that would explain the drop.5/5/2020 update - this one kind of perplexed me.
PH back down to 7.8
Ammonia 0
Nitrite 0
Nitrate isn’t at 0 and it’s not at 5 (it has consistently been at 5PPM)
Is it possible for Nitrate to go down on its own? I haven’t done a water change since last Thursday (I plan on doing a PWC this Thursday).
That could very well be why your nitrates have gone down. Floating plants are very good at soaking up nitrates.Yes I have some dwarf water lettuce, red root floaters, some water lilies budding, and a sword plant (I think).
It is very unusual not to be seeing any nitrates. Bacteria replicates quickly so it is possible to not get an ammonia or nitrite spike if your cycle is well established so I wouldn't be overly concerned about that.So I have been religiously testing my water parameters. I have my 3 guppies, 2 platies, and I added 8 harlequin Rasbora on Friday. My numbers have remained stable:
PH 7.8
Ammonia 0
Nitrite 0
Nitrate 0
If my numbers stay the way they are I plan on continuing with my weekly 20% water changes. I know I’m looking for the only thing to go up would be nitrates. Is it normal to not get a spike in any of my numbers after basically tripling my stock?
This is great news. Seeing those nitrates rise is what we wanted to see. Since you have goldfish in this tank if I were you I would changed out no less than 50% of the water each week. That should keep the nitrates down to good levels, remove unused minerals and also replenish the minerals that would have been used up.So I tested my water tonight and I am showing some nitrates now.
PH 7.8
Ammonia 0
Nitrite 0
Nitrate 5
What number for nitrate should I look for to do a partial water change? I’m so for my regular weekly partial water change on Thursday.
This is great news. Seeing those nitrates rise is what we wanted to see. Since you have goldfish in this tank if I were you I would changed out no less than 50% of the water each week. That should keep the nitrates down to good levels, remove unused minerals and also replenish the minerals that would have been used up.
Yes, seeing the nitrates is a good thing. It tells us that the bacteria is doing its job. Did you by any change run the ammonia test shortly after feeding your little guys? If so that would explain the slight rise in ammonia and I would expect it to be back to zero fairly fast. Meaning a couple of hours at the most. It will probably happen quicker than that but I wouldn't be overly concerned if it took that long.