Oct 14, 2018 #1 B BakerBill Aquarium Advice Newbie Joined Oct 14, 2018 Messages 1 Hi guys only i brought a 2nd hand tank but it's in need of a really good clean green algee on the gravel should I replace it or try to clean it ?
Hi guys only i brought a 2nd hand tank but it's in need of a really good clean green algee on the gravel should I replace it or try to clean it ?
Oct 14, 2018 #2 wendy fm Aquarium Advice Activist Joined Jul 8, 2017 Messages 136 Location Vermont I’d replace the gravel.