Dr Tim's One & Only FRESHWATER Invertebrate 100% natural formula with no

100% natural formula with no harsh chemicals

the PURE Pond Bomb delivers an immediate biological boost to your pond’s ecosystem

reflux valve and diffuser in just one unit

they can be crushed to suit the size and number of fish in your aquarium

Dr Tim's One & Only FRESHWATER Invertebrate 100% natural formula with no2oz & 4oz bottles are sold in packs of 6 8oz bottles are sold in packs of 4 Dr Tims One & Only Live Nitrifying Bacteria Kickstart your aquarium the natural way with Dr Tims One & Only. This proven formula instantly establishes a healthy biofilter, preventing New Tank Syndrome by quickly converting harmful ammonia and nitrite into safe, non toxic forms. Eliminates New Tank Syndrome Instantly creates a biofilter Removes toxic ammonia & nitrite naturally