Ohad Posted February 26, 2021 Share Posted February 26, 2021 (edited) So frustrating, I was doing everything right, I cycled my tank for a moth and then for the next two months everything was nice , plants growing , guppies happy .tank looking pretty.  About a week ago I did a too big of a water change about 50% I did not have enough dechlorinate water so I topped it with 2 cups of tap water. Dumb dumb The results was a huge bacteria bloom , the bacteria bloom went away but now I have 0.25 ammonia not moving at all . On top of that I see the early signs of hair algae . The guppies seams to be in thier usual happy campers still. I dossed fritz complete and fritz 7 bacteria. But the ammonia still does not change after 4 days. Checking every day with API kit I feed my fish very light so the food is not the problem I only have 4 guppies so they don't poop too much but I do have snails poop . Now it's a race for making sure the guppies don't get sick, the hair algae does not destroy my tank , and the plants don't dye on me if I will change the light .  Attached a picture to how much plants I have currently... Where should I start? what should I do first ?? Edited February 26, 2021 by Ohad Link to comment Share on other sites More sharing options...
Yanni Posted February 26, 2021 Share Posted February 26, 2021 If you have a dechlorinator or any more dechlorinated water, I suggest that you do a big water change. If you have a dechlorinator like seachem prime, you can use the tap water, put some of the seachem prime in and put that water straight into the tank. I recommend you do a water change ASAP. Just a big 50% water change with dechlorinated water. The bacterial bloom should go away with the water changes. The algae, can be removed manually. 1 Link to comment Share on other sites More sharing options...
Ohad Posted February 26, 2021 Author Share Posted February 26, 2021 yes I  have fritz complete from aquarium co op its strong stuff , I am at the moment dossing a tiny bit of it daily to bind the ammonia and adding bacteria from fritz 7 daily I basically need to re do the cycle since in my stupidity I killed my established bacteria but this time I have fish in the tank and plants that I worked hard on and are at risk , plus the algae threatening to destroy everything and my snails will not eat hair algae Link to comment Share on other sites More sharing options...
Ohad Posted February 27, 2021 Author Share Posted February 27, 2021 a little update , a local store gave me a cycled filter media lets see if that will save the day . example why we need local stores that are not petsmart and petco 2 Link to comment Share on other sites More sharing options...
lefty o Posted February 27, 2021 Share Posted February 27, 2021 i dont think 2 cups of untreated tap water killed your established bacteria. Link to comment Share on other sites More sharing options...
FrozenFins Posted February 27, 2021 Share Posted February 27, 2021 I am glad you are fixing this problem through you local fish store. Beutifal tank by the way! Anyways, to get rid of the amonia yes defently do a waterchange, its the best way to get rid of amonia. @lefty o could be right, it seems very unlikely that only 2 cups killed off your established bacteria. Don't worry about the hair algae, its complety normal in new planted tanks. I would try to siphon it out and figure out how your tank is inbalnanced? excess nutrients or too much light? What are your water parameters? A lot of the time its the light, just simply dim the light. If your light does not have a "dim mode" you can do what I did, get masken tape and put it over the lid, its really helped. 1 Link to comment Share on other sites More sharing options...
Ohad Posted February 27, 2021 Author Share Posted February 27, 2021 Agree I am not sure what did it but some how I did ... It's a small tank so easy to throw out of balance . The good news the guppies being guppies seams like the don't care one bit. Still playful and active like a group of puppies Link to comment Share on other sites More sharing options...
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