GC_nz Posted June 28, 2021 Share Posted June 28, 2021 (edited) I have a 300L aquarium, pool filter sand substrate with a 1/2 inch layer of dirt underneath. 66 watt LED light on 7 hours a day Some plants like various crypts and the tiger lotus are thriving while the sword species and larger plants in the background are struggling, some leaves have holes in too. I have also added some JBL fertilizer balls underneath the sword plants to see if fertilizing was the issue but still no progress. I used to have good success with these plants but after a recent house move I cannot get them to grow nicely. Water hardness is KH 2 - 3 and GH 4 - 5, at my old house it used to be KH 4 - 5 and GH 7 - 8. I have tried dosing flourish, and flourish excel and see no better progress with this plants, I just start to have algae issues when dosing ferts. I wouldn't have thought fertilizers would be the issue as I have dirt substrate and added JBL balls also. Does anybody have any ideas on what I might be missing here to get these swords growing as well as the crypts and tiger lotus are? Edited July 14, 2021 by GC_nz Link to comment Share on other sites More sharing options...
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