Yes. But, I have pursued learning through YouTube videos and R2R to establish and reinforce my knowledge base to minimize the risk. I am always tempted to do things too fast and have to keep myself in check. It is important to keep in mind you are keeping a natural ecosystem, and not to over react to natural developments in the tank (i.e. diatoms, algae, etc.) which with care, knowledge, anticipation and good husbandry will resolve. Also, it is important to be critical of advice as often times they contradict each other and you need to evaluate the best advice from credentialed/reliable sources. Lastly, you need to weed out the marketing hype on "cure all" products which have dubious claims.
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