I never had that issue and use Rid-X regularly. Just dosed last night as a matter of fact and I notice just the opposite any traces of order disapear the next day.
I believe the nitrates gradually increased as I don't test my water on a regular basis. I am meticulous about keeping my tank clean (I have 3 syphons - 1 store bought gravel vac, and 2 homemade ones for the sump and overflow)That's terrable news, that sucks. Why do you think your nitrates spiked so high? Like I posted above I have had no negative and only positive results since starting the probiotics. That is interesting info, I can't see the correlation but the timing is suspect which would cause you to raise an eyebrow.
I see no need to re-enact RidX clogging your filter sock by putting it there again... why not just put it inside a fine mesh bag?Petspoiler:
I stated in my post that after adding to filter sock, it began to clog quickly. That goes along with what you said, the bran was overloading the sock. After a few days it "cleaned" itself. I attribute that to the bacteria doing it's job and breaking down the bran. That is pure speculation on my part. Another observation is, when the return pump is turned off I no longer have the protein film on the surface. Another benefit to help gas exchange. The last thing is the odor. When I open the cabinet or pull the tops the smell coming out is quite strong. If we weren't smokers, it would be an issue and the wife would kick me out. It has been a month since the one time I added RidX. I am not doing every other week. The dust film wiped right off and has not returned. I am going to change the socks when I change water this weekend. I intend to add it to the sock to see if I get the same result of clogging and unclogging. If the smell stays the same I will live with it. If it gets worse I may need to change my methods. I did NOT clean the canister that is on the system, but will do it as well. It will be interesting to see what I have since it hasn't been serviced in 6 months. (FX5)
I now do somthing simalar, I put the Rid-X in a med sized net and let it sit in the tank I close the lid of the tank on the net to hold it in place and give it a shake every so often to release the cloud into the water. After about 3 hours I remove it once I stop seeing it releasing stuff.