Substrate Emergency - Natural Fish Tank Forum https://naturalfishtank.com/community/substrate-emergency/ Natural Fish Tank Discussion Board en-US Wed, 06 May 2026 13:59:37 +0000 wpForo 60 The substrate is turning black https://naturalfishtank.com/community/substrate-emergency/the-substrate-is-turning-black/ Tue, 03 Feb 2026 06:54:51 +0000 Bro , 45 days Agudhu ennoda tank setup panni. 50*20*25 Cm tank. Base 1 inch redsoil cocopeat mix. Above small layer 2-4 mm lava rocks gravel , max layer height 2 mm kooda varadhu. Adhuku mela 2 inch Sand cap. 70 % area covered with plants . Stem plants , floting ellame iruku . Middle ah chinna driftwood support ku konjam red lava rocks . Fronts la konjam moss and stones hiding spotku. Guppy , neon tetra ,shrimps , oru ramshron snail iruku.. oru heater 300 w but mostly off dhan in nyt time 1 r 2 hrs mattum dhan 25 degree set panni. Oru Hab filter and oru air stone ( recently added) . Ippo varai fish shrimp plants edhukum endha prob illa.. plants nalla grow iruku. Fishes nalla healthy . Even two three days food podalainalum . Healthy ah dhan iruku . 

Idhu varai endha prob illa.Ippo recent ah ennoda sand cap Black ah marudhu. Munnadi rocks kela dhan irukum ippo dhan notice pannen. Pic la irukura madhiri black ah marudhu. Net la check panna . OXYGEN CIRCULATION illama Hyd sulfide form agudhu ippo issue illa but future la issue irukumnu. Suggestion Trumpet snails. Oru doubt ennana trumpet snail use panna red soil layer varai pona prob varadha? Black soil ku vera edhavdhu issue irukuma ? Any idea ?

]]> Substrate Emergency Pozhilan Ak https://naturalfishtank.com/community/substrate-emergency/the-substrate-is-turning-black/ cow dung mixed with substrate https://naturalfishtank.com/community/substrate-emergency/cow-dung-mixed-with-substrate/ Tue, 02 Dec 2025 06:35:49 +0000 I'm Joh joseph, i inspired from ur videos and started my natural fish tank, now for substrate i visited a nursery they suggested soil+cocopeat+cowdung manure mixed soil can we use it as base soil for natural fish tank

]]> Substrate Emergency John@2005 https://naturalfishtank.com/community/substrate-emergency/cow-dung-mixed-with-substrate/ Substrate is bubbling and plants roots are black https://naturalfishtank.com/community/substrate-emergency/substrate-is-bubbling-and-plants-roots-are-black/ Thu, 29 May 2025 06:14:39 +0000 Broenaku oru help anna ...na recent ah oru setup vechen athula substrate la irunthu konjam neraya bubbles varuthu and plant oda roots Balck aguthu .....ithuku na enna pannaum

]]> Substrate Emergency BHAVESH https://naturalfishtank.com/community/substrate-emergency/substrate-is-bubbling-and-plants-roots-are-black/