Hobby Grottos Lava, loose

Particularly beautifully structured unique pieces made of Icelandic foam lava.


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Versandinformation für Futtertiere if (!App.isShopBuilder) { function updateDate() { var link_cool = 'Zusatz-Kühlpack erwünscht? Hier klicken und mitbestellen!'; var link_heat = 'Zusatz-Wärmekissen erwünscht? Hier klicken und mitbestellen!'; var InsectsBreak = { '202022' : {'day': 1, isLast: true}, '202023' : {'day': 1, isLast: true} }; var kw_heat = [40,14] Date.prototype.getWeekNumber = function(){ var d = new Date(Date.UTC(this.getFullYear(), this.getMonth(), this.getDate())); var dayNum = d.getUTCDay() || 7; d.setUTCDate(d.getUTCDate() + 4 - dayNum); var yearStart = new Date(Date.UTC(d.getUTCFullYear(),0,1)); return Math.ceil((((d - yearStart) / 86400000) + 1)/7) }; var nextweek = false; function updateInsekts() { var d = new Date (); var multipl = false; if(d.getDay() == 0) { multipl = 3; } else if(d.getDay() > 1 ) { multipl = 6 - d.getDay() + 4; nextweek = true; } else if(d.getDay() == 1 && (d.getHours() < 8 || (d.getHours() == 8 && d.getMinutes() <= 0))) { multipl = 2; } else { multipl = 9; nextweek = true; } d.setHours(9); d.setMinutes(0); d.setSeconds(0); d.setTime (d.getTime () + (multipl * 24 * 60 * 60 * 1000)); var Info = ''; var weekNumber = d.getWeekNumber(); if (InsectsBreak[d.getFullYear()+''+weekNumber]) { var infoVersand = InsectsBreak[d.getFullYear()+''+weekNumber]; if (infoVersand.isLast) { if(infoVersand.info) { Info = infoVersand.info; } if(infoVersand.day) { upset = (24 * 60 * 60 * 1000) * infoVersand.day; d.setTime (d.getTime () + upset); } } else { var upset = (7 * 24 * 60 * 60 * 1000); if (infoVersand.rate) { upset *= infoVersand.rate; } if(infoVersand.day) { upset += (24 * 60 * 60 * 1000) * infoVersand.day; } d.setTime (d.getTime () + upset); if(infoVersand.info) { Info = infoVersand.info; } } } var wochentage = new Array ("Sonntag", "Montag", "Dienstag","Mittwoch", "Donnerstag", "Freitag", "Samstag"); var monate = new Array ("01", "02", "03", "04","05", "06", "07", "08", "09","10", "11", "12"); var Text = 'Versand: ' + wochentage[d.getDay ()] + ', ' + d.getDate () + '.' + monate[d.getMonth ()] + '.' + d.getFullYear (); if (weekNumber >= kw_heat[0] || weekNumber <= kw_heat[1]) { Info += link_heat; } else { Info += link_cool; } if (Info != '') { Text += '
'+Info+''; } return Text; } var iel = document.getElementById('insectsInformation') iel.innerHTML = updateInsekts(); } updateDate(); }
Mehr als 10 Stück verfügbar Mehr als 5 Stück verfügbar Nur in geringer Menge verfügbar (mehr im Zulauf)


Item number RK1079

Particularly beautifully structured unique pieces made of Icelandic foam lava. Can be glued together with HOBBY silicone to create mysterious caves or natural-looking back walls.

- single stones can be combined individually
- numerous design possibilities, according to individual taste
- to create decorative and mysterious hiding places in fresh water

The porous lava rock provides an ideal habitat for bacteria and micro-organisms in the water.
The grotto lava is also suitable for planting in your aquarium, because the rough surface provides support for the plants and enables a stable structure.


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